44.利用 Excel 計算成績（如下圖所示），老師想要在「備註」欄中以星號（*）標示期末考及格但是學期成績不及格者的學生資料，則其公式應該是下列何者？
(A) =IF(E2>=60,IF(F2<60,"*",""))
(B) =IF(F2<60,IF(E2>=60,"*",""))
(C) =IF(OR(E2>=60,F2<60),"*","")
(D) =IF(AND(E2>=60,F2<60),"*","")