He's studying . . . . . . . . chemistry at . . . . . . . . university at . . . . . . . . present.

A. no article, the, the

B. a, the, no article

C. no article, no article, no article

D. no article, a, the

Answer: Option C

Solution(By Examveda Team)

All the three blanks won't take any article as 'chemistry' is the name of a subject, 'university' is not specific and 'present' refers to time which is uncountable.