单项选择题

A.S-locus related 1(SLR1)——花粉粒捕获
B.Faceless Pollen 1(FLP1)——花粉粒粘附
C.TurgOr regulation Defect 1(TOD1)——花粉管穿透
D.SECRETORY31B (SEC31B)——花粉的水合