问题
单项选择题
犬厚足底病主要是由（）感染而引起的犬的急性传染病。
A.L犬道热病毒
B.犬细小病毒
C.犬腺病毒
D.犬白血病病毒
E.以上都不是
答案
参考答案：E
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犬厚足底病主要是由（）感染而引起的犬的急性传染病。
A.L犬道热病毒
B.犬细小病毒
C.犬腺病毒
D.犬白血病病毒
E.以上都不是
参考答案：E
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