问题补充：
—Now that you like the house with a garden，why not buy it?
—Well，I can’t afford house at present.
A. that expensive a
B. a such expensive
C. that an expensive
D. a so expensive
答案：
A. that expensive a
B. a such expensive
C. that an expensive
D. a so expensive
解析：A
解析that＝so如此，这么。
