A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">以上两处的*p含义相同,都说明给指针变量p赋值</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">语句“*p=r;”把变量r的地址值赋给指针变量p</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">语句“*p=r;”取变量r的值放回r中</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">在“double r=99,*p=&r;”中,把r的地址赋值给了p所指的存储单元</span>