Question

A(Although) it is not a fast runner, B(wolves) can maintain a loping run for many miles, C(running) throughout the night D(if necessary). ENo error

(A)
(B)
(C)
(D)
(E)

Answer 1

B(wolves).
In the first sentence they say although "it" meaning only 1 wolf and then B says wolves. So B would turn into "A wolf"