下列有关生物生殖发育的说法中不正确的是

A．桃树进行有性生殖时重要的环节是传粉和受精

B．嫁接时应当使接穗与砧木的维管束紧密结合以保证营养物质的输送

C．通过组织培养保持名贵花卉的优良性状

D．鸟类的生殖和发育过程一般包括求偶、交配、筑巢、产卵、孵卵和育雏等几个阶段

Unsatisfied ________ with the payment, he took the job just to get some work experience.

A．though was he

B．though he was

C．he was though

D．was he though