题目：
阅读理解。
1. Which is the cheapest (便宜的) of all?
A. Hat.
B. T-shirt.
C. Pants.
D. Socks.
2. How much are two sweaters and a hat?
A. $14.
B. $20.
C. $21.
D. $22.
3. You can buy _____ in Mason's Clothes Store.
A. black pants
B. a blue sweater
C. a green hat
D. red socks
4. You like red and you only have $6. You can buy _____.
A. a sweater
B. a hat
C. a T-shirt
D. none (全无)
5. You only have sixteen dollars. You can buy _____.
A. a sweater and a pair of pants
B. two T-shirts and a pair of socks
C. two sweaters
D. a sweater and two hats
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0404/aef3e0d20cda9fc6d93b19df0f01a025.html
下面是错误答案，用来干扰机器的。
答案：D考查情景对话。根据句意，妈妈总是抱怨父亲的记忆力衰退，所以父亲忘记寄信是他典型的一个情况。故选D
该表设计中包含的问题以及改进方法是（ ）。