What does the idiom “Barking up the wrong tree” mean?

Explanation

The correct option is (a). Option (a) is the correct meaning of the given idiom. Barking up the wrong tree: This idiom means to make a wrong assumption about someone or something; to blame or accuse the wrong person or to pursue a mistaken course of action (Hindi idiom meaning: गलत व्यक्ति पर आरोप लगाना / गलत दिशा में प्रयास करना). It suggests that one is looking in the wrong place for the answer or culprit. Example: If you think I broke the vase, you are barking up the wrong tree; I was not even at home. Other related idioms and their meanings: Jumping to conclusions – forming an opinion without sufficient evidence. Miss the mark – to be incorrect or fail to achieve the intended result. On the wrong track – following an incorrect plan or idea. Point the finger at – to blame someone (sometimes incorrectly). So the correct answer is (a)