This is ________ English girl. ________ girl's mother is in ________ red coat today. [ ]

A. a; The; an

B. an; A; the  

C. an; The; a

D. /; A; an

一般情况下，低标号沥青拌制混合料时的拌合温度应高于采用高标号沥青的混合料。( )