I don't think you had fun           .      [ ]

A. camp

B. camped

C. camping

D. to camp

急性期脑血栓形成患者用低分子右旋糖酐治疗的原理是

A．抗凝

B．早期溶栓

C．扩张脑血管

D．降解纤维蛋白原

E．稀释血液