单选题 Mr. Allen said that he did not want to ______ any further responsibilities.
【正确答案】 A
【答案解析】[考点] 动词词组词义辨析
[解析] take on意为“承担”；put on意为“穿、戴上”；get on意为“上车、进展”；look up意为“向上看，查(字典)”。因此只有A符合题意，故选A。