IGCSE Chemistry Extended 3.1.3—Deduce the formula of a simple Topic Practice

The chemical formulae of two substances, W and X, are given.
W $\mathrm{NaAlSi}_{3} \mathrm{O}_{8}$
X $\quad \mathrm{CaAl}_{2} \mathrm{Si}_{2} \mathrm{O}_{8}$
Which statements are correct?

1 W and X contain the same amount of oxygen.
2 W contains three times as much silicon as X.
3 X contains twice as much aluminium as W.
A1 and 2
B1 and 3
C 2 and 3
D 1, 2 and 3