While typing, she has a habit of stopping ________ to give her long and flowing hair a smooth.
句意：在打字的时候，她有一个习惯，就是偶尔停下来，梳 理一下自己飘逸的长发。occasionally偶尔。promptly迅速地；敏捷地。eventually最终。simultaneously同时地。因此，本题的正确答案为A。