如图所示的几种动物的行为，回答：

2014年3月22日至4月1日，***主席对荷兰、法国、德国、比利时四国进行了国事访问，并出席了在荷兰召开的核安全峰会，结合图文材料，回答下列问题。

材料1：欧洲西部地形图及某城市气候资料图（如图1）。

材料2：欧洲西部虽然较长的河流不多，但河流之间有运河相通，形成了便利的内河航运网，且河流流速平稳，流量季节变化小，可终年通航，因此欧洲西部内河航运发达。著名的莱茵河、多瑙河等都具有很高的航运价值。

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Carol is a middle school student；She does well in only one subject.That is1.  Carol always does her history homework well and2good grade(分数)in history tests She likes her history teacher Mr．Aragon．She feels that he is like her3．

    At a parent—teacher meeting，Carol's mother has a4with Mr．Aragon．She says that Carol doesn't do well in5subjects．She hopes Mr．Aragon can6her．"Oh．I didn't know that．She is7．I'll try to talk to her,"says Mr．Aragon．

    When Mr．Aragon talks with Carol8her other subjects，Carol doesn't feel good，9she is grateful(感激的)．She knows that Mr．Aragon is trying to help．Carol 10his advice(建议)and tries to do well in other subjects．