I’m very happy . . . . . . . . in India. I really miss being there. A. to live B. to have lived C. to be lived D. to be living

The correct answer is: D. to be living

The sentence is in the present tense, so the correct verb form should also be in the present tense. The other options are in the past tense (to have lived) or the passive voice (to be lived).

The sentence is also about the speaker’s current feelings, so the correct verb form should express a current state or action. The other options express a past state or action.

Therefore, the correct answer is “to be living.” This verb form expresses the speaker’s current happiness and desire to be in India.