We understand from the first paragraph that works of art were sent to Snowdonia (A) so the English wouldn’t have to return them to their enemies....

We understand from the first paragraph that works of art were sent to Snowdonia


(A) so the English wouldn’t have to return them to their enemies.
(B) because the National Gallery was being devastated by bombs.
(C) after a direct and strict order by Prime Minister Churchill.
(D) due to the invasion of London by the German Nazis.
(E) to prevent the Nazis from destroying or confiscating them.