There is no doubt .
A.whether he will finish the work on time
B.if he will finish the work on time.
C.that he will finish the work on time.
D.how he will finish the work on time.
There is no doubt .
A.whether he will finish the work on time
B.if he will finish the work on time.
C.that he will finish the work on time.
D.how he will finish the work on time.
C