"What caused" is conveying the right meaning here
A is correct
Choice C is wordy
B wrong as sentence talks about past only.
D-"that which" usage is not appropriate here
E-"causing" does not serve purpose of subject here
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A is correct
Choice C is wordy
B wrong as sentence talks about past only.
D-"that which" usage is not appropriate here
E-"causing" does not serve purpose of subject here
Posted from my mobile device
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