根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Hello! I'm Jane from Canada. I like my school a lot. It's not big 1 it's very nice. All my teachers and classmates are 2 to me. I love3 very much. We study English, math, art and some other 4. Some subjects are  5, but some of them are boring. Of all of them, I like 6 best, because I like drawing pictures. Oh, my favorite 7 are Tuesday and Friday. On these     8 days, we have art lessons. I don't like politics 9 it's boring and difficult.

    My friend Susan 10 at my school. I often go to school with her. She likes politics. She thinks it's easy.

某专卖店5月1日举行促销优惠活动，当天到该专卖店购买商品有两种方案：

方案一：用168元购买会员卡成为会员后，凭会员卡购买商店内任意商品，一律按商品价格的八折优惠；

方案二：若不购买会员卡，则购买商店内任何商品，一律按商品价格的九五折优惠．

已知小芳5月1日前不是该商店的会员．

在水边拍摄的照片上，建筑物在水中的“倒影”看起来比建筑物本身“暗”一些，主要是因为建筑物反射的光射到水面时，有一部分发生了 ____进入水中；拍摄该照片的照相机镜头相当于 ____透镜，这种透镜对光线具有 ____作用，可用来矫正 ____（填“近”或“远”）视眼