Before adding new stocks ______ your investment portfolio, why not attend one of our investment seminars, where you will be able to meet our consultants in a small group setting

A. at
B. to
C. for
D. with

《中华人民共和国消防法》规定，城市人民政府应当按照国家规定建立（），承担火灾扑救工作。

A、公安消防队

B、企业消防队

C、义务消防队

D、专职消防队