My mum _____ at the grocery store in the _____.[ ]

A. shops, neighbour            

B. buys, neighbourhood

C. shops, sidewalks            

D. buys, sidewalks

传导听觉冲动的丘系是（）。

A.内侧丘系

B.外侧丘系

C.脊髓丘系

D.三叉丘系