Foraboutthepasttwoyearsthe SupportBranchhasbeen providingpersonnelto deploy secretly with

Foraboutthepasttwoyearsthe SupportBranchhasbeen providingpersonnelto deploy secretly with ______ and other units.

A．Special Forces

B．US military forces

C．Pentagon

D．defense officials

请帮忙给出正确答案和分析，谢谢！