the movement of the progress bar may be uneven because questions can be worth more or less (including zero)…

the movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer. the following sentence contains a transitional word or phrase: a swarm of mosquitoes meanwhile had discovered the hole in the window screen. which revision correctly punctuates the sentence? a swarm of mosquitoes meanwhile, had discovered the hole in the window screen. a swarm of mosquitoes, meanwhile, had discovered the hole in the window screen. a swarm of mosquitoes, meanwhile had discovered the hole in the window screen. a swarm of mosquitoes; meanwhile, had discovered the hole in the window screen.

the movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer. the following sentence contains a transitional word or phrase: a swarm of mosquitoes meanwhile had discovered the hole in the window screen. which revision correctly punctuates the sentence? a swarm of mosquitoes meanwhile, had discovered the hole in the window screen. a swarm of mosquitoes, meanwhile, had discovered the hole in the window screen. a swarm of mosquitoes, meanwhile had discovered the hole in the window screen. a swarm of mosquitoes; meanwhile, had discovered the hole in the window screen.

Answer

Answer:

B. A swarm of mosquitoes, meanwhile, had discovered the hole in the window screen.

Brief Explanations:

The transitional word "meanwhile" is an interrupter in the sentence. Interrupters are set off by commas on both sides. In option B, "meanwhile" is correctly punctuated with commas before and after it, separating it from the main clause "A swarm of mosquitoes...had discovered the hole in the window screen". Option A only has a comma after "meanwhile", option C only has a comma before "meanwhile", and option D uses a semicolon which is incorrect here as "meanwhile" is not a separate independent clause.