单选题 Woman: What present should we get for Betty's birthday?Man: She's poor at math, don't you remember?Question: What does the man imply?
【正确答案】 A
【答案解析】poor at sth．意为“对……不在行”。女士的意思是Betty的数学不好，所以建议买一个袖珍计算器当做礼物。