单项选择题
We seem to be light on fuel. The underlined part means（）
A. be easy to get B. have small quantity of C. look down upon D. be short of
A. on the border of B. close to C. on the margin of D. during the course of
A. She bought me some tomatoes. B. The teacher gave me an eraser. C. We must keep it a secret. D. He promised me a new coat.