Question

Fill in the blank with the most appropriate option.
After Jack ________ his poem, he decided not to show it to anybody.

• A. finishing
• B. has finished
• C. was finishing
• D. had finished

Answer 1

Answer: (D)

Here, had finished in Past Perfect Tense is correct as it is used to indicate a completed action of the past that happened before another event took place. Here, Jack completed one action and then decided not to ....'
'Finishing' in present continuous is incorrect because it implies an action going on at the time of speaking.
'Was finishing' in past continuous is incorrect because it is used to indicate uncompleted action in the past (with or without time reference).
'Has finished' in present perfect is incorrect because it is used to indicate an action which started in the past and has continued up untill now.