Patients Do Not Disclose Their Use of Complementary and Alternative

Patients do not disclose their use of complementary and alternative medicine CAM to their physicians because they

A) do not feel comfortable enough to discuss this with their physician.
B) believe that their physician does not need to know about their use of CAM.
C) because their physician did not explicitly ask them about CAM use.
D) expect a negative response from their physician.
E) All of the these are potential reasons why a patient may chose not to disclose the use of CAM to their physician.