单选题有以下程序：#includemain(){ chara[30],b[30]; scanf(%s,a); gets(b); printf(%s%s,a,b);}程序运行时若输入：howareyou?Iamfine回车则输出结果是（ ）。Ahow are you? 换行I am fineBhow换行 are you? I am fineChow are you? I am fineDhow are you?
单选题
有以下程序：
#include
main()
{
char a[30],b[30];
scanf(%s,a);
gets(b);
printf(%s%s,a,b);
}
程序运行时若输入：
how are you?I am fine<回车>
则输出结果是（ ）。
A
how are you? <换行>I am fine
B
how<换行> are you? I am fine
C
how are you? I am fine
D
how are you?
参考解析
解析：
scanf语句接收字符串时遇到空格就认为字符串读入结束，但是gets函数遇到回车才认为结束。本题中将第一个空格前面的部分赋值给a，将后面的部分赋值给b。答案选择B选项。
scanf语句接收字符串时遇到空格就认为字符串读入结束，但是gets函数遇到回车才认为结束。本题中将第一个空格前面的部分赋值给a，将后面的部分赋值给b。答案选择B选项。
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