题目

How old is Kitty’s mother?A.34. B.40. C.44. 答案：【答案】B【解析】【原文】M: How old is your father, Kitty?W: My parents are 40 years old, and I’m 14 years old.如图，晚上小亮在路灯下散步，他从A处向着路灯灯柱方向径直走到B处，这一过程中他在该路灯灯光下的影子 A．逐渐变短B．逐渐变长C．先变短后变长D．先变长后变短