【单选题】
A <{p}>To have dinner together.<{/p}><{p}><{br/}><{/p}>
B <{p}><{span style="font-size: 1em;"}>To help him solve a problem in his study.<{/span}><{br/}><{/p}><{p}><{br/}><{/p}>
C <{p}><{span style="font-size: 1em;"}>To go to the movie together.<{/span}><{br/}><{/p}><{p}>
<{/p}><{p}><{br/}><{/p}>
D <{p}><{span style="font-size: 1em;"}>To help him select a gift for his mother.<{/span}><{br/}><{/p}>
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