Plants in the arctic region can survive under extreme conditions becau

Question

Plants in the arctic region can survive under extreme conditions because they have a system  that kept  them from freezing.

A. that kept
B. which is keeping
C. that has kept
D. that keeps
E. that has been keeping

kumarparitosh123 · Answer

Imo C.
Since it's an eternal state, so it should be in present tense.

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nks2611 · Answer

the answer should be D , simple tense keeps should be used .

anandmsinha987 · Answer

...they have a system that kept them from...

Since this is a universally true statement . Simple Present tense verb should be used. Kept incorrectly means that the system doesnt prevails now.

option D is correct

D. that keeps

Bounce1987 · Answer

The answer should be D. Can survive is simple tense. 
A. that kept- Past tense
B. which is keeping- continuous tense
C. that has kept- past perfect
D. that keeps (right answer)
E. that has been keeping- present continuous

Lowkya · Answer

"Plants in the Arctic region can survive under extreme conditions because they have a system that kept them from freezing."
As it is a universal truth, we need to simple tense and only option D uses it.
Correct choice is D

Plants in the arctic region can survive under extreme conditions becau

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Plants in the arctic region can survive under extreme conditions becau

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