Select the most appropriate meaning of the given idiom.
Barking up the wrong tree

Correct option is D

The correct meaning of the given idiom is (d) To ask the wrong person or follow the wrong course.

Given idiom – Barking up the wrong tree:

• Meaning: To make a wrong assumption and act on it; to pursue the wrong lead. (Hindi meaning: गलत दिशा में प्रयास करना)
• Example: If you think I leaked the news, you are barking up the wrong tree.

Why other options are incorrect:

• (a): Getting angry at an innocent person is different from pursuing a wrong lead in general.
• (b): Speaking loudly for attention does not match the idiom.
• (c): Supporting someone with bad intentions is unrelated to mistaken pursuit.

So the correct answer is (d)