Question

? is doctor A him B His C he D he's

Answer 1

Its Letter C Because u cant say him a is a doctor nor his is a  doctor nor  he's is a doctor because he's means is  will repeat  twice

so its he is a doctor

Answer 2

Answer :
C
You can’t write he’s since ‘ he’s ’ is used as a short from for ‘he is’ but there already had the word ‘is’ so there is no need to put he’s as the answer.