The following charts show the different usages (用途) of pocket money（压岁钱） in Class 4, Grade 3. Read carefully and answer the questions below. 小题1: How many students are there in Class 4, Grade 3 ? A．12 B．24 C．50 D．53 小题2:Their pocket money is mostly spending in _________. A．Playing computer s B．Eating snacks C．Seeing films D．Buying presents 小题3:There are ________ fewer students playing computer s than eating snacks. A．4 B．2 C．12 D．8