Помогите пожалуйста : Read the sentences and fill in the articles where necessary. Then...

Помогите пожалуйста :
Read the sentences and fill in the articles where necessary. Then choose the
correct combination of articles.
My family and I have just returned from 1) ____ England. We travelled by 2) ___ plane
and arrived at 3) ___ Gatwick Airport in 4) ___ London. The next day we visited 5) ___
Tower of London and 6) ___ Buckingham Palace where 7) ___ Queen Elizabeth lives.
My mother bought 8) ___ expensive necklace at 9) ___ Harrods. My dad went to the
supermarket and bought his favourite newspaper, 10) ___ Guardian. He read that 11)
___ Duchess of York opened a shelter for 12) ___ homeless last week.
A) 1-, 2-, 3-, 4-, 5the, 6-, 7-, 8an, 9-, 10the, 11the, 12the
B) 1a, 2the, 3-, 4the, 5-, 6the, 7-, 8the, 9-, 10an, 11-, 12the
C) 1-, 2a, 3-, 4-, 5the, 6-, 7the, 8a, 9-, 10-, 11a, 12-
D) 1-, 2the, 3a, 4-, 5the, 6an, 7-, 8a, 9-, 10the, 11the, 12-

Правильный ответ A).