Jane Mattock, CFA, senior vice president and head of the research department of H&V, Inc., a regional brokerage firm. In preparation for a long business trip, Mattock delegates his authority to Deion Miller, CFA. Which of the following is most accurate to comply with the Professional Conduct Standards（）

A. Mattock is required to advise his supervisor and his compliance department, in writing, of the delegation of his supervisory duties.

B. Mattock still has supervisory responsibility and must instruct Miller about methods to prevent and detect violations of applicable laws, rules, regulations, and the CFA Institute Code of Ethics and Standards of Professional Conduct.

C. Miller still has supervisory responsibility but need not instruct a charterholder like Miller about methods to prevent and detect violations of applicable laws, rules, regulations, and the CFA Institute Code of Ethics and Standards of Professional Conduct.

赵某与路某是同学，赵某系某律师事务所律师，路某系某人民法院审判员。赵某的下列的做法并不违反职业道德的是：

A．赵某经常与路某在饭馆吃饭

B．赵某经常对当事人说自己与路某是同学关系

C．赵某因有一案由路某承办，遂向路某馈赠礼品

D．赵某利用其与路某的关系招揽业务