A. He runs fast.
B. She is a doctor.
C. They play soccer.
D. I read a book.
Answer: She is a doctor.
A. He runs fast.
B. She is a doctor.
C. They play soccer.
D. I read a book.
Answer: She is a doctor.
Additional Information: 'Is' is a linking verb that connects the subject with the complement.
Subjects: Verbs, Parts of Speech