阅读下面短文，从短文后各小题所给的A、B、C三个选项中，选出可以填入空白处的最佳选项。

                                                          The New Baby

 The picture shows a family visiting their new baby in hospital. I think it's probably the evening, because the light is 1, so the father must have brought his children 2work.

 There are two children beside the baby, a boy and a girl. The 3 is a little older than his sister. He's about six or seven. He     4 proud. The girl looks very 5 to have a new sister.

 The father has his arm around6children. He looks proud as well. The mother is sitting 7. She looks happy 8a little tired.

 The baby is in the middle. I guess it’s a girl,9she is wearing pink clothes. The baby is10 despite (尽管，不管) all the noise and excitement.

在植物蒸腾作用的实验中，选取两种植物上两株大小相同的枝条，依下面A图所示的方法进行处理．实验开始时，a、b两实验装置的重量都是80g，其后每隔一段时间记录两个装置的重量变化，得到下面B图所示的实验结果．上述实验表明，植物进行蒸腾作用的主要器官是（    ）

— Which girl?

— ____ in red.

在水平粗糙的地面上使一物体由静止开始作匀加速运动，如图所示，第一次是拉力，第二次是用推力，两种情况下力的作用线与水平方向夹角、力的大小、位移大小均相同，那么比较两种情况，则下列说法正确的是（   ）

小强想给爷爷买双鞋，爷爷说他自己的脚长25.5cm，若用x（cm）表示脚长，用y（码）表示鞋码，则有2x-y=10，根据上述关系式，小强应给爷爷买____码的鞋.