问题补充:
thank you very much for offering,but i think i can
答案:
D.Thank you very much for offering,but i think i can manage.
======以下答案可供参考======
供参考答案1:
个人意见:try to do sth表示“试图做某事”,可是不知道此事能否做成
manage to do sth表示“(设法)做成某事”,它含有“成功;办成”的意思
根据句意,想表达“我可以应付、处理、完成”,所以选D