观察舌态不包括下列哪项内容( )

A．痿软

B．歪斜

C．裂纹

D．强硬

Pat will walk from intersection X to intersection Y along a route that is confined to the square grid of four streets and three avenues shown in the map above. How many routes from X to Y can Pat take that have the minimum possible length ？（）

A.Six

B.Eight

C.Ten

D.Fourteen

E.Sixteen