假定已有声明“char a[30], *p=a;”，则下列语句中能将字符串"This is a C program. "正确地保存到数组a中的语句是______。

题目：假定已有声明“char a[30], *p=a;”，则下列语句中能将字符串"This is a C program. "正确地保存到数组a中的语句是______。

A. a[30]= " This is a C program. " ;

B. a= "This is a C program. " ;

C. p= "This is a C program. " ;

D. strcpy(p, "This is a C program. ");

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