Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.
Raju did very well in the exam, he must study well.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. he must have studied well.
It suggests that Raju's good performance in the exam is a result of his past efforts in studying. It implies that he prepared well for the exam.