--I enjoyed the food very much.--I’m glad you like it. Please drop in any time you like.--_________. A. Is it all right? B. I’m afraid I won’t be free. C. Yes, I will. D. That’s right. 答案:C空间中任意放置的棱长为2的正四面体ABCD,下列命题正确的是 .(写出所有正确命题的编号)①正四面体ABCD的主视图面积可能是2;②正四面体ABCD的主视图面积可能是263;③正四面体ABCD的主视图面积可能是3;④正四面体ABCD的主视图面积可能是2;⑤正四面体ABCD的主视图面积可能是4.