In which sentence does the verb agree with the subject?

a. in that drawer were some blue pens.

b. next to the lioness are a tiny cub.

c. on the platter was some fresh vegetables.

A) in that drawer were some blue pens.

the others should have been like this:
b) next to the lioness was a tiny club.
c) on the platter were some fresh vegetables.

hope this heklps. brainliest? i need it :)

Ireally don’t know i just need to finish my sigh in