Question

I __________ (attend) the class since 10:00 am.

• A. have attended
• B. am attending
• C. had attended
• D. have been attending

Answer 1

Answer:

D. have been attending

• The phrase “since 10:00 am” indicates an action that started in the past and is still continuing.

• This situation requires the present perfect continuous tense:
  have/has been + verb-ing