다음글을읽고 알수있는것을 모두 고르면?
holidays on mars
do you want to get away from earth?
-enjoy a wonderful view of the stars.
-experience exciting spacewalks.
-play zero gravity sports.
there are more things to do than you can imagine.
two for one! (available from $1,000)

(a)price of the vacation plan
(b)vacation schedule
(c)email or phone number
(d)how to go to mars
(e)what to do on mars

답이 a e 가 맞나요? 아님 b e 인가요?