Choose the correct answer

12 If only they _ what would happen, they might not
have been so ready to joke about it
A
had known
B have been known
C known
D were knowing
13 We learned the truth about the water company from
about the rising levels of effluent and raw sewage
being dumped into rivers.
A an article of a newspaper
B
a newspaper-article
C a newspaper's article
D a newspaper article
14 This is a way for the bank to provide you with financial
support
A supposed
that you run out of money.
C in case of
B in the event
D
were
15 This is actually the main reason
we need even
stronger cata protection.
A which B what
C which
D why