Which sentence uses a verb that agrees with its subject?
A. My favorite movie starring Meryl Streep, an actress who has won many awards, are showing on television.
B. The flowers for the wedding of my older cousin from Georgia was delivered on time.
C. The stores at the shopping center closes at 10 p.m.
D. My new kitten with the gray stripes is very playful.
plz explain me what they mean by a verb that agree with its subject