As its performance has risen on all the stock indexes, the b

As its performance has risen on all the stock indexes, the bio-tech start-up has branched out into new markets to look for opportunities they would previously have had to ignore.

(A) they would previously have had to ignore

(B) they would have had to ignore previously

(C) that previously they would have had to ignore

(D) it previously would have had to ignore in past years

(E) it would previously have had to ignore

OA E

Source: Princeton Review