Question

Which interrogative pronoun best completes the sentence? How is the pronoun used? __________ going to bake and decorate your birthday cake?
A. Whom; object of a preposition
B. Who's; subject (in a contraction with a verb)
C. Whose; possessive
D. Whom; direct object

Answer 1

B. Who's!!!!! :) :) :) :) :)

Answer 2

B it would be who is or who's