Singular
mine
yours
his
hers
its
Plural
ours
yours
theirs
To your example you needa possesive adjective not pronoun
Singular
my
your
his
her
its
Plural
our
your
their
The predicate nominative "renames" the subject.
The subject of the sentence is "Algeria" , so we're looking for another way of referring to Algeria here. This is "country" so the correct answer is A.
The words are used to show quick, straight actions, they are scattered about so that the reader has the impression that the scene is impactful as the excerpt "I was struck by the intimacy scene." shows. There is also the idea that only the ones engaged in the conversations are allowed to hear their content and finally, these people are free from their masters -- teachers, parents and any other adult that symbolizes authority.