2. 罕見的降壓劑副作用有 (A)利尿劑－痛風 (B)α－交感神經阻斷劑－水腫 (C)β－交感神經阻斷劑－心跳快 (D)Clonidine－心跳慢 (E)Angiotensin converting enzyme阻斷劑－咳嗽