The correct answer is Option is A) Greek, Latin and Egyptian.
In fact, the sister systems of the Cyrillic Alphabet are, Coptic Alphabet from Egypt, Latin Alphabet, Greek Alphabet and even Armenian Alphabet.
Today, the Alphabet is most famously used in Russia, many Eastern European countries as well as the former Soviet States.
It is also the third official script of the European Union.
It should be noted that the Cyrillic Script as seen today was heavily influenced and altered by Peter the Great of Russia.
