A. She reads a book.
B. She is reading a book.
C. She read a book.
D. She has read a book.
Answer: She is reading a book.
A. She reads a book.
B. She is reading a book.
C. She read a book.
D. She has read a book.
Answer: She is reading a book.
Additional Information: The present continuous tense describes an action currently in progress, as in 'She is reading a book.'