One solution to major security problems is(73),which are frequently installed to
One solution to major security problems is(73)，which are frequently installed to fix known security holes．
A．patches
B．compensations
C．complements
D．additions
正确答案：A解析：补丁是解决主要安全问题的一种方法，它通常被安装来解决已知的安全漏洞。
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