We ________ to get round the South West Cape on Sunday morning but was obliged quickly to retrace our steps.
句意:星期日早上,我们试图绕过西南角,但却不得不迅速撤回我们的脚步。endeavor努力;试图。enforce执行。enhance提高; 加强。endow捐赠;赋予。因此,本题的正确答案为C。