He failed ____ his best efforts.

Ain addition to

Bowing to

Cin spite of

Dnot mentioning


C. in spite of

Related Questions:

It was ____ a hot day ____ nobody could do any work. Choose the suitable conjunction.

Scarcely had he reached the station _____ the train steamed off .

The wall was _____ high that I could not reach its top.

_____ he is the most intelligent student, he is not at all proud.

Maya knew ______ he needed to hurry up.