单选题 The tanker could not sail into the harbor because ______.

A、 the tide was not suitable
B、 she had run aground on sand
C、 her engines had broken down
D、 most of her crew had gone ashore

【正确答案】 B

【答案解析】[精析] 细节题。文章第一段第二句提到“In a way，she was，for the sandy bottom held her in its grip．”其中“sandy bottom held her in its grip”意思是说这艘船被沙子给绊住了，隐含的意思就是说船开到沙滩上去了。所以B对。