题目

D The Weekly Telegraph is Britain’s global newspaper, the home-grown quality newspaper that delivers the best of The Daily Telegraph and The Sunday Telegraph to the British around the world and adds its special articles, features and reports designed to be of real value to foreign readers．Telegraph.co.uk/expat, the website, increases the value of the newspaper, thus creating a complete expatriate（国外的）support system, both online and offline． Order a gift subscription（订阅）for a friend or relation overseas this Christmas and they will begin to recognise what a useful invest 蓝藻的遗传物质是 [　　] A． 核酸 B． DNA C． RNA D． 蛋白质