It was I... he wanted to sing to.
A
that
B
who
C
whom
D
which
Correct Answer: whom
দুই clause বিশিষ্ট বাক্যে Gap এরপরে noun/pronoun থাকলে এবং antecedent টি person হলে gap এ whom বসে । যেমন : It was I whom he wanted to sing to