A. what
Đáp án C
“that” ở đây là mệnh đề quan hệ, thay thế cho weather pattern ở phía trước
Scientists are unsure of the reason for this (70)_______ on the global scale either.
In this way, we can put you in a (59)_________ at the most suitable level.
At 23 he move to Atlanta and took (52) _________ odd jobs as he started working on his stage career.