Which of the following sentences contains a mental action verb?

we discussed the recycling program with the principal.
steven was worried about his driving test.
anita her father with the dishes.
the gardeners trimmed the trees.

Read the claim. human bodies have developed over time to support a vegetarian diet. which sentence provides the best supporting evidence for the claim? because humans have evolved over millions of years, it makes sense that our diet has evolved as well. i can feel the negative effects of meat and its excess vitamins when i consume meat products. the length of human intestines is better suited to digest food derived from plants than to digest meat. human taste buds have matured throughout history in a way that makes people crave the flavor of meat.