The number of undergraduate degrees in engineering awarded by colleges and universities in the United States increased by more than twice from 1978 to 1985.
a) increased by more than twice
b) increased more than two times
c) more than doubled
d) was more than doubled
e) had more than doubled
The correct answer is option C
The explanation for option A is given as 'because an adverb such as twice cannot function as an object of the preposition by'
I did not understand the explanation for option A. Could someone explain... Thanks !!
a) increased by more than twice
b) increased more than two times
c) more than doubled
d) was more than doubled
e) had more than doubled
The correct answer is option C
The explanation for option A is given as 'because an adverb such as twice cannot function as an object of the preposition by'
I did not understand the explanation for option A. Could someone explain... Thanks !!












