what is the tense of he underline verb?

Rockwell had been attending the New York school of art when he dropped out and enrolled at the National Academy of design.

A. simple past
B. past present
C. past progressive
D. past present progressive

Respuesta :

Answer:

past present progressive - D.

Answer:

had been attending - past perfect progressive (not past "present" progressive)

dropped out; enrolled - simple past

Explanation:

The past perfect progressive tense is formed by using "had been" + the verb's present participle (root + -ing).