己烯是乙烯的同系物，常温下是无色的液体，难溶于水，比水轻．鉴别己烯、乙酸、苯、溴苯四种无色溶液或液体，可用的一种试剂是（　　）

A．盐酸

B．溴水

C．食盐

D．新制的氢氧化铜

Excuse me, could you tell me ________?

A．where is the nearest park

B．how can 1 get to the park

C．which is the way to the park

D．if is there a park near here