Every year, Tom remembers to have some flowers _____ to her mother on her birthday. [ ]

A. send

B. sent

C. sending

D. being sent

应用MTX治疗输卵管妊娠时，判断治疗效果的主要指标是：

A． * * 流血量减少

B．月经恢复

C．血红蛋白水平升高

D．血HCG水平下降

E．腹痛缓解