Mr Black decided to give up his farm and devote all his time to______ those children living on the streets.

A．help

B．helping

C．be helping

D．being helped

一侧枕叶矩状裂皮质（楔回）损害（）。

A.单眼失明

B.双颞侧偏盲

C.同向偏盲

D.同向上限偏盲

E.同向偏盲伴黄斑回避