42. 用下列何種染色法,可以清晰地呈現出淋巴器官內的網狀纖維(reticular fiber)? (A)蘇木素染色(hematoxylin staining) (B)伊紅染色(eosin staining) (C)銀染色(silver staining) (D)油紅O染色(oil red O staining)