9.下列何種狀況常會出現prothrombin time (PT)正常但activated partial thromoplostim time (aPTT)延常的現象？(1) Hepatic failure；(2) Antiphospholipid syndrome；(3) von Willebrand disease；(4) Disseminated intravascular coagulation
(A)(1)+(4)
(B)(2)+(4)
(C)(1)+(2)
(D)(2)+(3)
(E)(1)+(2)+(4)