English ECAT Exams Quizzes MCQs Quizzes English ECAT Spotting Errors Online Test 8

Question:
A physiologist in the last century demonstrated
(A)that puppies will die
(B)if kept awake for more than five days
(C)No error

Option A):
(B)
Option B):
(A)
Option C):
(D)

Correct Answer is Option A):
(B)