Question

though dorothys shoes were silver in the wizard of oz books, it was changed to red in the film. choose 1 answer: a no change b they were c you were d she was

Explanation:

The subject of the sentence is "Dorothy's shoes", a plural - noun. The pronoun referring to it should be plural. "It" is singular, while "they" is plural. "You" and "she" are inappropriate as they do not refer to the shoes.

Answer:

B. they were