[問題]PP-test2 Q52 (structure)

[edison0911]

If volcanoes erupt explosively and cast fluid lava high into the air, _________, dispersed by the wind,gives rise to particles of various sizes.

(A)the lava
(B)and lava
(C)when lava
(D)which lava is

答案是A

1.請問原句該如何改寫
2.gives的主詞是the wind嗎
3.dispersed 前面有省略 which is 嗎

謝謝大家

[midori]

If vocalnoes erupt explosively and cast fluid lava high into the air,
the lava gives rise to particles of various sizes.

the lava後再插入dispersed by the wind