题目内容：
By saying "too many corporations...speed and accessibility" (Lines 3-4, Para. 3 ), the author means __
A． too many corporations take no notice of the security problem of computers B． criminals are sacrificing security for speed and accessibility
C． it's very easy to sacrifice security for speed and accessibility
D． many companies suffer from computer hacking because they value speed and accessibility more than security
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答案解析：