Which of the following sentences contains a mental action verb?

Anita helped her father with the dishes.
The gardeners trimmed the trees.
Steven was worried about his driving test.
We discussed the recycling program with the principal.

Question

Which of the following sentences contains a mental action verb?
 	
	Anita helped her father with the dishes.
	The gardeners trimmed the trees.
	Steven was worried about his driving test.
	We discussed the recycling program with the principal.

anonymous · Answer

Think it's B. We cannot see verb  "worry" unlike visible action verbs