The different phones which can represent a phoneme in different

The different phones which can represent a phoneme in different phonetic environments are called the ______ of that phoneme. ()
A、phones
B、sounds
C、phonemes
D、allophones
【正确答案】:D
【题目解析】:(P32):在不同的语音环境中能够代表同一个音位的不同音素叫作该音位的音位变体。例如英语中的/l/在讲话中可以表现为模糊的[f]或者清晰的[l]等,它们均是音位/l/的音位变体