—That's a great sweater.I have never seen anything like it before.
—You think so? My grandmother ________ it for me. （ ）
A：makes
B：made
C：has made
D：had made
我国劳动人民在唐朝发明的水利灌溉工具是（ ）
板块构造学说认为，地壳中比较活跃的地带是（ ）
