Improve the bracketed part of each sen-tence .
The doctor (has advice) him to take proper diet .

Options

A. has advised
B. had been advised
C. was advised
D. No improvement

Answer

A

Explanation

Structure of sentence in Present Perfect :
Subject + has /have + `V_(3)`
Hence, has advised . . . should be used here. The past re-lates to the present.