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有程序编制如下。数组中的每个元素为一个字。假设页面大小为每页128个字,数组中的每一行元素存放在一页中。系统为该程序提供一块内存,开始时内存为空。

VARA:ARRAY[1..256,1..128]OFinteger;

FORj:=1TO128DO

FORi:=1TO256DO

A[i,j]:=0;

该程序执行时共产生多少次缺页中断?

A、128
B、256
C、128×28
D、128×256
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正确答案:

D

答案解析:

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