You are the man who....always troubled me.

A is

B have

C has

D were

Correct Answer: Option C

এখানে Who relative pronoun এবং Antecedent the man- কে বোঝাচ্ছে । সুতরাং The man singular হওয়ায় singular verb has ( অপশন গ ) সঠিক উত্তর ।