请选择ABC6W8b*S0?;y+c,R:O.P:Q,z6v-V How many ______ did you eat?,f(f4h3B-m.o
A. biscuit,f(f4h3B-m.o
B. biscuits,f(f4h3B-m.o
C. a biscuit,f(f4h3B-m.o