Select the most appropriate option to fill in blank No. 1.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. in.
The preposition “in” is used when talking about the subject or field of study.
Example: He did his degree in biology.
So, when we say “did her MTech in computer science,” it means she specialised in that subject.
Hence, the chosen option will be correct.