The phrase ' Come round' means -

Come round
English Meaning: recover consciousness.
Bangla Meaning: আরোগ্য লাভ করা

Ex. Sentence: The patients soon come round.
Bangla Meaning: রোগীরা খুব দ্রুত আরোগ্য লাভ করলো।

প্রশ্নে উল্লেখিত অপশন গুলোর মধ্যে - 
Fail to reach a goal or standard -Come short of.
Come to a head - reach a crisis.
Come by - manage to acquire or obtain.

Source: Lecture.