A 16-year-old male student had been______infected with bird flu in Hunan province , the fourth case of human bird flu found in China.
A.mitted
B.confirmed
C.convinced
D.considered
网友回答
B解析词义辨析。Commit犯罪，做错事；confirm确认，证实；convince说服，使确信； considere考虑。句意：湖南省一位十六岁的男生被确认感染了禽流感，这是在中国的第四例人类禽流感。故选Ｂ。