In the following questions, sentences are given with blanks to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four.
Do not stay in the grasslands after dark, as some animals become______ when they see humans.

Options

A. provoked
B. alerted
C. aggressive
D. threatened

Answer

C

Explanation

aggressive (Adj.) : angry, and behaving in a threatening way, ready to attack
Here, aggressive is the right usage.