[单选题]A. when B once C while D whereas
[单选题][A] While [B] When [C] Though [D] Unless
[单选题][A] meanwhile [B] unless [C] whereas [D] for
[单选题][A] provided[B] since[C] whereas[D] though
[单选题]A.) thoughB.) ifC.) asD.) unless
[单选题]A.) AsB.) BecauseC.)ThoughD.)If
[单选题][A] why[B] when[C] while[D] where
[单选题]___________[A] when[B] once[C] while[D] whereas
[单选题]5________________[A] anyway[B] though[C] instead[D] therefore
[单选题]与以下程序段等价的是( ) while (a) { if (b) continue; C; }A.while(a)B.while(c) {if(!b) c;) {if(!b)break: c:)C.while?D.while(a) {if(b) c:) {if(b) break: c;}