A、<span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">在</span><span style="font-size: 16px; line-height: 18.88888931274414px;">C</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">程序中，严格区分大小写字母</span>
B、<span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">一个</span><span style="font-size: 16px; line-height: 18.88888931274414px;">C</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">源程序有且仅有一个</span><span style="font-size: 16px; line-height: 18.88888931274414px;">main</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">函数</span>
C、<span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">在</span><span style="font-size: 16px; line-height: 18.88888931274414px;">C</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">程序中，注释只能位于一条语句的后面</span>
D、<span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">一个</span><span style="font-size: 16px; line-height: 18.88888931274414px;">C</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">程序总是从</span><span style="font-size: 16px; line-height: 18.88888931274414px;">main</span><span style="font-size: 16px; line-height: 18.88888931274414px; font-family: 宋体;">函数开始执行</span>