feel oneself again
A.to be oneself
B.to find oneself
C.to enjoy oneself
正确的选项是A.
be oneself的意思用英语解释是:to be in a normal state of body and mind,not influenced by other people
汉语:1.(人)处于正常状态(精神、身体等方面）
2.显得自然、真诚
例句：
She is not quite herself today.
她今天身体有点不舒服.
Be yourself and stop putting on airs.
自然一点,不要装腔作势!