—________you like that latest type of car so much，why not buy it?
—Well，I can’t afford so expensive a car. It is worth 200,000 yuan.
| A．As if | B．Even if | C．Now that | D．In case |
Ellen was a painter of birds and of nature，________，for some reason，had withdrawn from all human society.(2012·浙江，17)
| A．which | B．who | C．where | D．whom |
After the flooding，people were suffering in that area，________ urgently needed clean water，medicine and shelter to survive.(2012·江苏，22)
| A．which | B．who | C．where | D．what |
Portia，for ________ physics had once been very hard，turned out to be a physicist.
| A．whom | B．whose | C．that | D．which |
Gun control is a subject ________ Americans have argued for a long time.
| A．of which | B．with which |
| C．about which | D．into which |
Wind power is an ancient source of energy ________ we may return in the near future.
| A．on which | B．by which | C．to which | D．from which |