The underlined word “tap” means（）in the following sentence（）Oil is formed and then percolates up through cracks and porous rock to fill the reservoirs that humans tap to get oil.

The underlined word “tap” means（）in the following sentence（）Oil is formed and then percolates up through cracks and porous rock to fill the reservoirs that humans tap to get oil.
A.利用
B.敲打
C.开采
D.轻拍
正确答案：开采