Since our research so far has not produced any answers to this problem,we need to try a different ______ to it.

问题描述:

Since our research so far has not produced any answers to this problem,we need to try a different ______ to it.
1.way
2.means
3.approach
4.manner

C
approach
n.
接近,逼近,走进,方法,步骤,途径,通路
vt.
接近,动手处理
vi.
靠近
method
n.
方法
way
n.
路,路线,路途,习惯,行业,规模,道路,情形
adj.
中途,途中的
adv.
远远地,大大地,非常
manner
n.
礼貌,风格,方式,样式,习惯