<p>以下程序的输出结果是：( )<br/> for i in range(3):<br/> for s in "abcd":<br/> if s=="c":<br/> break<br/> print (s,end="")</p>
<p> abcabcabc</p>
<p> aaabbbccc</p>
<p> aaabbb</p>
<p> ababab</p>
