Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution needed'.He sang well, isn’t it?

Select the most appropriate option to substitute the underlined segmen

1.	Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution needed'.He sang well, isn’t it?
A.	did he?
B.	does he?
C.	didn’t he?
D.	No substitution needed
Answer» D. No substitution needed