Explanation:

To understand why the correct answer is "have never drunk," let's break down the sentence and look at the different parts:

Subject: "I" - refers to the speaker or the person talking about their actions.
Verb: "drink" - the action being performed by the subject.

Based on the context given, the speaker is talking about their past drinking habits, specifically whiskey. In English, when we want to talk about an action that has never happened before, we use the present perfect tense with the auxiliary verb "have" followed by the past participle of the main verb.

Here are the main reasons why "have never drunk" is the correct answer:

1. Negation:
The word "never" is used to express the negation of the action. It indicates that the speaker has not performed the action of drinking whiskey at any time in the past.

2. Present Perfect Tense:
The present perfect tense is used to talk about actions that happened at an indefinite time in the past, or actions that started in the past and continue into the present. In this case, the speaker is referring to their entire life up until the present moment, stating that they have never had whiskey.

3. Past Participle of "drink":
The past participle of the verb "drink" is "drunk." In English, the past participle is used with the auxiliary verb "have" to form the present perfect tense.

Putting it all together:
By using the present perfect tense, the word "never" to express negation, and the past participle of "drink," we get the correct answer "have never drunk." This indicates that the speaker has never had whiskey at any point in their life.