将下列生命现象和相应的生命特征用线连起来：

人运动后大量出汗                        生长

鲸呼气                                  遗传

小麦种子萌发                            排除废物

种瓜得瓜                                产生后代

中午吃饭                                呼吸

鲫鱼产卵                                获得物质和能量．

You bought a new computer last week, _______ you? [ ]

A. aren't

B. don't

C. didn't

D. haven't