Fill in the gap with the most appropriate option from the list following the gap.
The old man couldn't help ...... at his grandson's babbling?
A
to laugh
B
that he laughed
C
laughing
D
in laughing
Verified Correct Answer: C.
Grammar & Contextual Explanation
laughing as a present participle tense, is the action of the verb "to laugh" the sentence is in the present continous tense
Source: Myschool Past Questions Archive (Record #10532)