阅读下列材料，从A、B、C三个选项中，选出最佳选项回答问题或完成句子.
    Miss Miller, The English Teacher wants to know about her students. She asks them some questions. The next are some of the students' answers(回答):

First name: Grace       Last name: Smith           Class: 1 School things: 2dictionaries, 4 pencil boxes, 8 notebooks

First name: Tony        Last name: Green          Class: 2 Things and positions: Watch: on the table        Volleyballs: under the desk Keys: in the schoolbag      Computer games: on the sofa

First name: Alice          Last name: Smith         Class: 3 Likes: apples, carrots, chicken, strawberries Doesn't like: bananas, salad, ice-cream

— Mum, can you play table tennis with me now?

— Sorry, I'm busy. You can ask your father _________ me.

The men teachers are playing basketball . ( 改为一般疑问句 )

如图，已知AD∥BC，∠B=32°，DB平分∠ADE，则∠DEC=（   ）

洋葱在欧美被誉为“蔬菜皇后”．其肥大的鳞茎中含糖8.5%，含干物质9.2%，每100克含维生素A 5毫克、维生素C 9.3毫克、钙（Ca）45毫克、磷（P）50毫克、铁（Fe）8毫克，以及18种氨基酸，是不可多得的保健食品．那么洋葱肥大的鳞茎中所含的糖是淀粉还是可溶性还原糖？生物学兴趣小组的同学以此作为研究课题．请你完成下面的实验报告．

实验目的：探究洋葱肥大的鳞茎中所含的糖是淀粉还是可溶性还原糖．

实验原理：略．

实验器材：洋葱、所需试剂和仪器等（略）．