单项选择题

A.如神散:催生屡效,灵妙。于理固难通,于事寔殊效
B.如神散:催生屡效,灵妙于理,固难通于事,寔殊效
C.如神散:催生屡效,灵妙。于理,固难通;于事,寔殊效
D.如神散:催生,屡效,灵妙。于理,固难通,于事寔殊效