—This is the first time I_________ my first picture with my own hands.

—It is time that you_________a picture for me.

A．took;took

B．have taken;took

C．took;will take

D．will take;have taken

某患者拔牙，注射局麻药后立即发现头晕、胸闷、面色苍白、全身冷汗、四肢厥冷无力、脉快而弱，恶心，其发生的局麻并发症应为

A．晕厥

B．过敏反应

C．中毒

D．神经损伤

E．颈交感神经综合征