单选题One _____ of the fatal disease Betty contracted is listlessness.AsymptomBcaseCsymphonyDsymbol

单选题
One _____ of the fatal disease Betty contracted is listlessness.
A

symptom

B

case

C

symphony

D

symbol


参考解析

解析:
句意:贝蒂感染的这种致命疾病的一个症状就是无精打采。symptom症状。case病例,个案。symphony交响乐。symbol符号,象征。

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