Correct Answer: What medicine have I been given?

Solution : The third option is correct.

Passive Voice Structure:

Start with the object of the active sentence (me).
Use the appropriate form of the auxiliary verb "to be" (have been) according to the tense of the main verb.
Use the past participle of the main verb (given).
Passive Voice: "What medicine have I been given?"

So, the structure for the transformation is:
Object of the active sentence + Appropriate form of to be + Past participle of the main verb

In this case:
me+have been+given

Therefore, the correct answer will be: What medicine have I been given?