请选择DCBA*m4E8C3V6M5U — Is there ________ “ o ” in the word “ blue ” ?*E/x2Z1`6O2F-p0~*X'\8T
— No , there’s ________ “ u ” in it .*E/x2Z1`6O2F-p0~*X'\8T
A. an , a*E/x2Z1`6O2F-p0~*X'\8T
B. a , an*E/x2Z1`6O2F-p0~*X'\8T
C. an , an*E/x2Z1`6O2F-p0~*X'\8T
D. an , /*E/x2Z1`6O2F-p0~*X'\8T