8 小腸吸收葡萄糖的過程包括先以方式通過上皮細胞刷狀邊緣（brush border）之細胞膜，再以方式通過基底膜（basolateral membrane）而離開，請問與分別為：
(A) simple diffusion； primary active transport
(B) simple diffusion； facilitated diffusion
(C) secondary active transport； simple diffusion
(D) secondary active transport； facilitated diffusion