Concept:The question tests knowledge of word meaning — specifically, which option is closest in meaning to the underlined word.
Explanation:The underlined word is
upset.
"Upset" means to make someone unhappy, disappointed, or worried.
Look at the options:
A. repulsed — to strongly disgust or drive away.
B. constrained — to restrict or force.
C. confused — to make someone unable to think clearly.
D. troubled — to make someone anxious, worried, or unhappy.
Both "upset" and "troubled" refer to causing worry or unhappiness.
Therefore, the nearest in meaning is "troubled."
Answer:D. troubled