A.當?shù)厣夏曷毠て骄べY1倍數(shù)額以內 B.當?shù)厣夏曷毠て骄べY2倍數(shù)額以內 C.當?shù)厣夏曷毠て骄べY3倍數(shù)額以內 D.當?shù)厣夏曷毠て骄べY4倍數(shù)額以內