對(duì)布爾表達(dá)式進(jìn)行短路求值是指：無須對(duì)式中所有操作數(shù)或運(yùn)算符進(jìn)行計(jì)算就可確定表達(dá)式的值。對(duì)于表達(dá)式“b or ((c > d) an a)”，（）時(shí)可進(jìn)行短路計(jì)算。A.d為true B.a為true C.b為true D.c為true
