Question

i couldn't find out what____


a) has happened
b)happens
c)had happened
d) will happen​

Answer 1

Answer:

c

Explanation:

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Answer 2

Option C: I couldn't find out what had happened.

• We were supposed to fill in the blank with the correct option.
• On observing the given sentence, we can say that the sentence must be in the past perfect tense.
• Here the correct form of the verb will be "had happened".
• The past perfect tense is used when we want to show that an action has been already completed in the past before some point of time.