OG,SC5

无所事事

5.        As its sales of computer products have surpassed those of measuring instruments, the company has become increasingly willing to compete for the mass market sales they would in the past have
            conceded to rivals.

(A)         they would in the past have conceded to rivals

(B)         they would have conceded previously to their rivals

(C)        that in the past would have been conceded previously to rivals

(D)        it previously would have conceded to rivals in the past

(E)         it would in the past have conceded to rivals

答案是E，但为何会用have而不是has呢？

mbamom

would have