30.小玉觀察花的構造並繪出的示意圖如圖14。下列有關花的敘述，何者正確？
【用戶】Ray Ting She
【年級】小四上
【評論內容】(A)甲為花藥(含有精子)(B)乙是柱頭，其中花粉染色體套數為n(C)丙為子房中的胚珠，受精後會發育為種子(D)減數分裂在甲內發生,卵細胞應該在接近胚珠附近(E)花柱及子房壁都是由雙套染色體的細胞組成https://www.google.com/search?q=%E8%8A%B1%E7%9A%84%E6%A7%8B%E9%80%A0&rlz=1C1GIGM_enTW833TW833&sxsrf=ALiCzsYguHMtAsdfD5ASKzv_RspoBzDeUQ:1651569762713&tbm=isch&source=iu&ictx=1&vet=1&fir=bTfYX7-RJzQszM%252C_Nt34Xow878DtM%252C_%253BSUP8bwjfFnqqiM%252C9XCyFCAiY2UFIM%252C_%253BsjkCIl9be36VPM%252Cv55K7n85SfnCsM%252C_%253BgkieFOg066IeyM%252CYhsJO4IeWXqxRM%252C_%253BLTF_Lg4HgtjfwM%252CbNXzqYvdNzkimM%252C_%253BIvNnlbhK0Y8toM%252C7xv1ruUx3isgrM%252C_%253B4CdG65EvbR1b_M%252CZcwiM9OHswcmfM%252C_%253BwJr5FEJnBAx-5M%252Ctg2zCXysJlJe-M%252C_%253BVzYdhniMK2EYXM%252CeydxxJHLIZ27tM%252C_%253BbYhamSMFs8Km1M%252CIbFzb8hyaXjy1M%252C_%253BR_g00oEM0zwgGM%252CG5GZJLAXY5ZQNM%252C_%253BFurK1dL_KQ0mzM%252CbrKo7YbLpTPkpM%252C_&usg=AI4_-kTNZ50dPoHroUIn6zv5umKiW1DmPw&sa=X&sqi=2&ved=2ahUKEwjfy5zogMP3AhVJHzQIHUX8DM8Q9QF6BAgEEAE&biw=1536&bih=722&dpr=1.25#imgrc=R_g00oEM0zwgGM花的構造圖https://www.google.com/search?q=%E8%8A%B1%E7%9A%84%E5%8F%97%E7%B2%BE&tbm=isch&ved=2ahUKEwixlIHvgMP3AhVFXZQKHVhgA1IQ2-cCegQIABAA&oq=%E8%8A%B1%E7%9A%84%E5%8F%97&gs_lcp=CgNpbWcQARgAMgQIABAYMgQIABAYOgcIIxDvAxAnOgUIABCABFDPiQNYqPsFYOCOBmgEcAB4AIABLYgB_wKSAQIxMZgBAKABAaoBC2d3cy13aXotaW1nwAEB&sclient=img&ei=cPRwYrGcOcW60QTYwI2QBQ&bih=722&biw=1536&rlz=1C1GIGM_enTW833TW833#imgrc=Ur1hJxPJlLi16M花的受精