I wonder why Ann didn't get ____ the job. She is the right person for it. [ ]

A. to be offered

B. to offer

C. offering

D. offered

下列关于植物生长素的叙述中，错误的是[ ]

A．适宜浓度的生长素可以防止植物落花落果

B．适宜浓度的生长素可以促进扦插枝条生根

C．植物的向光性与生长素分布不均匀有关

D．胚芽鞘中的生长素可以从形态学下端运输到形态学上端