单选题
Without these preventive measures, television picture would become unclear and {{U}}fragmented{{/U}}.
A. fragile
B. invisible
C. discontinued
D. vulgar
A
B
C
D
【正确答案】
C
【答案解析】
[解析] fragmented：分散的，不连贯的，碎片似的；fragile：易碎的，脆弱的；invisible：看不见的；discontinued：不连贯的，分开的；vulgar：粗俗的
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