请选择DCBA7|9l1a4g,P;YThere is___“r”and “u” in “run”.,b8I-`;U4W*Z9X.M/g/B9`
A.an ; a,b8I-`;U4W*Z9X.M/g/B9`
B.a ; an,b8I-`;U4W*Z9X.M/g/B9`
C.an ; an,b8I-`;U4W*Z9X.M/g/B9`
D.a ; a,b8I-`;U4W*Z9X.M/g/B9`