Explanation:
He hadn't made any attempts to escape.
They had taken the boy to the doctor.
The cat had killed the mouse.
The dacoits had looted the shop.
They had accepted the invitation.
B, Redundancy<span> is the grammatical error in the title. Using the words 'relationship between' and 'correlation' is redundant/unnecessarily repetitive. (Correlation is a mutual relationship or connection between two or more things).</span>
I really cant see retake to pic
During is a preposition
that is a determiner
epidemic is a noun
early is an adjective
warnings is a noun
circulated is a verb
widely is an adverb.