Imo B
That is unnecessary here hence it is wrong .
In the original sentence that refers to experiments would suggest , that is illogical .
D also has the same problem as A and awkward use of possessive .
C is wordy and use what is not proper .
E is also wrong to what and the sentence is very convoluted .
That is unnecessary here hence it is wrong .
In the original sentence that refers to experiments would suggest , that is illogical .
D also has the same problem as A and awkward use of possessive .
C is wordy and use what is not proper .
E is also wrong to what and the sentence is very convoluted .






