The women's health initiative is an attempt by the National Institutes of Health to correct errors in medical research that results from medications not being tested on women.
a)by the National Institutes of Health
b)in
c)results
d)being tested
e)no error

Question

The women's health initiative is an attempt by the National Institutes of Health to correct errors in medical research that results from medications not being tested on women.
a)by the National Institutes of Health
b)in
c)results
d)being tested
e)no error

wach · Answer

The correct answer/mistake would be (c). Look at what the verb 'results' refers to : errors. 'Errors' is a plural subject, and thus, the answer would be in the plural  or 'they' form, 'result'.