The influence of this book might not have been reaching so far, for Mr. William, who dared to publish it.
A. if had it not been
B. is it not being
C. had it not been
D. its only having been
网友回答
A. if had it not been
B. is it not being
(答案→)C. had it not been
D. its only having been
解析：本题考查虚拟语气。根据语境及主语用might have done,可知考查与过去事实相反的虚拟语气，从句用had done，B项用倒装结构，正常语序为if it had not been。