Viết lại các câu sau bằng những từ cho sẵn dưới đâyCâu hỏi The case/ be/ so heavy/ Nam/ could/ put/ on the rack/. A. The case was so heavy that Nam could not put it on the rack. B. The case was so heavy that Nam could put it on the rack. C. The case was such heavy that Nam could not put it on the rack. D. The case was heavy that Nam could not put it on the rack.