The predictive windshear symbol, radial and weather radar return

The predictive windshear symbol, radial and weather radar returns automatically show when:

A.In expanded MAP. center MAP, VOR, or expanded APP modes; neither pilot has WXR display selected; predictive windshear alert occurs.

B.In expanded MAP. center MAP, VOR, or APP modes; neither pilot has WXR display selected; predictive windshear alert occurs.

C.Neither pilot has WXR display selected; predictive windshear alert occurs regardless of display mode.

D.None of the above.

正确答案是B