生后2月时应接种的疫苗是
A.乙肝疫苗 &nBsp;
B.流感疫苗 &nBsp;
C.麻疹疫苗 &nBsp;
D.脊髓灰质炎疫苗 &nBsp;
E.白、百、破疫苗&nBsp;