Idioms built around animals often describe human errors in a colorful way, and "bark up the wrong tree" is one of the most common examples in English. It describes a situation where someone directs their questions, blame, or effort toward the wrong person or the wrong approach, without realizing it at the time.
For example, if you accuse a colleague of a mistake they did not make, someone might say "you are barking up the wrong tree," meaning your suspicion is misplaced. This lines up exactly with option 4, "Make the wrong choice," since the core idea is picking an incorrect path or target.
It helps to rule out the other choices by testing them in a sentence. "Skin of another animal" and "behave like a dog" have no connection to the idiom's real use. "Purposely make an error" fails because the idiom never implies intent, the speaker genuinely believed their approach was correct. The answer is option 4, "Make the wrong choice."