If you want to book tickets for a film in Qionghai, just call 62838009. It be simpler.
A. mustn't
B. won't
C. needn't
D. can't
网友回答
A. mustn't
B. won't
C. needn't
(答案→)D. can't
解析：考查can’t 和比较级连用表示最高级的用法，句意：如果你想在琼海预定电影票，拨打62838009，再简单不过了。Can’t be simpler表示最高级含义，相当于the simplest，选D。