Question

pervade has the same or almost the same meaning as:
perplex
permeate
pertain
perform

Explanation:

"Pervade" means to spread through and be present in every part of something. "Permeate" also means to spread throughout something. "Perplex" means to confuse. "Pertain" means to be related to. "Perform" means to carry out a task. So "permeate" is the closest in meaning to "pervade".

Answer:

B. permeate