Who Among the Following Would Be Considered a Transparent Leader

Who among the following would be considered a transparent leader?

A) A sales manager who continuously persuades his team members without giving them any idea of the target to be achieved
B) A marketing manager who gives his team members a clear idea of the economic status of the external market
C) A production manager who closely monitors all the minute details of his team members' work
D) A human resource manager who thoroughly explains to his team the personnel crisis the company is going through