单选题 It can be inferred from the passage that the blame for the present state of affairs lies in the fact that ______.

A、 the course sequences themselves are unreliable
B、 more and more students start to select science majors
C、 almost none of the specialties the students major in might be salable in today's market
D、 the opportunities of employment are scarce for graduates of non-science majors

【正确答案】 D

【答案解析】作者介绍了文科学生就业难，同时又指出这些专业“are no longer perceived in today's market as salable”，即在社会上没有销路，并结合理工科的描述可知就业岗位一般都与理科专业相关。故选项D正确。