tense choice

[curious]

Which one is correct?

When I ---- astronomy at the University of Yale, quasars ---- yet ---- discovered.

A) studied / was not / discovered
B) was studying / had not / been discovered
C) had studied / was not / discovered
D) was studying / was not / discovered
E) studied / had not / been discovered

[magsfhy]

answer B

[Tdol]

Or E

[curious]

What about this one? I changed the alternatives a bit. To me, the correct alternative is B. Do you think the other ones, especially E, stand any chance of being correct too?

When I ---- astronomy at the University of Yale, quasars ---- yet ----.

A) studied / were not / discovered
B) was studying / had not / been discovered
C) had studied / were not / discovered
D) was studying / were not / discovered
E) studied / were not / being discovered

[Tdol]

A, though not very natural or common, is possible. E is less likely because they probably remained undiscovered until he or she had finished university.

[ksf.110@gmail.com]

Dear,

To the best match "E" is more applicableto the condition, as its always better to be simplenot try any extra ordinary formats.

Regards.

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