Question

Some parents _________________ about their children’s health.

A. are always concerned
B. concerned always
C. is always concerned
E. always are concerned​

Answer 1

It’s a because of plural noun
Plural noun = more than one (are)
Singular noun = only one (is)

Answer 2

Are always concerned

Step-by-step explanation:

It's A because it fit the sentence more than the others.