7. Which choice best expresses Douglas's intense involvement in her study of the wetlands?

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

The stem should express the options for Douglas' intensive involvement in her wetland research.

Item B: immerse in "immerse in it", which is in line with the requirements of the question.

A item: participate in "participation",

C item: gave thought to "thinking",

D item: dabbled in "involvement".