用便携机将配置文件ftp到工作站时应采用（）方式传送，传送网管软件升级包时用（）方式。

In order to comply with the CFA Institute Standards, an analyst should:（）

A. use only his own research in making investment recommendations, because anything else would violate Standard Ⅰ (B), Independence and Objectivity.

B. use only his company’s research when making investment recommendations and use outside research for reports and analysis on stocks.

C. use outside research only after verifying its accuracy.