单项选择题
你正在编写一个函数,该函数可安全的执行除法运算。你需要确保向函数传递分母和分子,并且分母不为零。
A.elif fenmu !=0:B.elif fenmu in 0:C.elif fenmu =0:D.elif fenmu ==0:
A.if fenzi is None and fenmu is None:B.if fenzi =None or fenmu =None:C.if fenzi is None or fenmu is None:D.if fenzi =None and fenmu =None:
A.floatB.intC.boolD.str