题目

---Are you still going to Shanghai for the Spring Festival?   ---Yes, but I really     because I have a lot of things to deal with. A. can’t   B. mustn’t   C. won’t   D. shouldn’t 答案：D“螳螂捕蝉，黄雀在后”请问：“螳螂”的食性是 [     ]A．草食性B．肉食性C．杂食性D．腐食性