单选题 The approximate date of the shipwreck could be decided from ______.

A、 the dates on the coins found
B、 the analysis of the age of the materials from which the ship was built
C、 the scientifically - determined age of some of the cargo
D、 a knowledge of the date of the building of the ship together with her known age

【正确答案】 C

【答案解析】[试题分析] 本题考学生对相关内容的理解。
[详细解答] 文章最后一段提到如何测定沉船的时间。．在船上发现的五枚铜币，都晚于306B.C.。通过对船上货物碳-14的测定，可得知沉船的时间大约在288B．C.，而通过对船板的测定，可知建船的时间应在370B.C．左右，比沉船时间要早80多年，因此，C项是正确的。