风子武nandy
The answer of this question is c .About "off the coast "off the coast1.离开海岸2.离开海岸；在远离沿岸海面3.在海面上4.在海岸附近off the coast of1.离……海岸不远的地方off the coast colombia1.在哥伦比亚的海岸线附近lie off the coast1.离开海岸线the boat sank off the coast1.这只船在离海岸不远处沉没了2.这只船在离海岸不远处沉没了And about "on the coast"on the coast1.在海边2.在海岸线上3.在海岸上4.在岸上，沿岸sunset on the coast1.落日lie on the coast1.在海岸线上the town lies on the coast1.该城位于海边a town on the coast1.有铁路通达的城镇2.美国北卡罗来纳州大西洋海岸的一个海角From the mean of this sentence we can know the answer is C.
