Correct option is B
The correct option to fill in the blank is
(b) is.
Explanation: "Making pies and cakes" refers to a singular activity, so the singular verb "is" should be used. (Hindi meaning of "is": है)
Example: Playing the piano
is her favorite hobby.
Explanation for incorrect options:
·
Have: Used with plural subjects, incorrect for singular action.
·
Has: Used with singular nouns but would be incorrect for actions like "making."
·
Are being: Implies a continuous action but is not appropriate here.