4.下列何種聽診的組合是正確的：(1)Mitral stenosis ~ Austin-Flint murmur(2)Rheumatic fever ~ Carey-Coombs murmur(3)Aortic regurgitation ~ Gallavardin murmur(4)Mitral valve prolapse ~ Mid-systolic click & late systolic murmur
(A)1+2
(B)1+3
(C)1+4
(D)2+3
(E)2+4