听下面一段对话，回答第11和第13题。

How much does Tom own of the company he works for（）

单项选择题Why does the university offer the two programs（）

A．To keep students safe walking late or alone.
B．To provide better health care for students.
C．To help visitors tour around the college.

单项选择题What kind of jobs seems to bein short supply（）

A．Writers
B．School teachers
C．Newspaper reporters