________（47）A.Experts say that we cannot do that

________（47）

A.Experts say that we cannot do that just yet.

B.In the near future,intelligent cars will be put into commercial operation.

C.This is the brain of the car.

D.But how does an intelligent car control itself?

E.It completes the processing of the images sent by the cameras within 100 milliseconds.

F.However,it cannot recognize moving people and bicycles on ordinary roads that have no clear markings on them.