【单选题】听第一段对话，回答第1～3题。
1.Whydoparentsofboyswanttosendtheirchildrentomixedschools?
A、Becausetheirboyswillbemoreself-confident.
B、Becausetheirboyswillnotworryabouttheirappearance.
C、Becausegirlswillaffectboyspositively.
2.Parentsofgirlsdonotwanttosendtheirdaughterstomixedschools，becauseatmixedschools
A、Theirdaughterswillbetooself-confident.
B、Theirdaughterswillbeapositiveinfluenceonboys.
C、Theirdaughterswillbemoreworriedabouttheirappearance.
3.Accordingtotheconversation，whichofthefollowingstatementsistr ue?
A、Therearestillmanysingle-sexschoolsinEnglandtoday.
B、Generally,atmixedschools,boysdobetterthangirls.
C、Single-sexschoolsarereferredtogirls’schools.
