The sands are shifting?

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #92 [color=blue]“Sand Idioms”, question 5

The sands are and everything is changing in this century.

(a) shifting
(b) turning
© moving
(d) going

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #92 [color=blue]“Sand Idioms”, answer 5

The sands are shifting and everything is changing in this century.

Correct answer: (a) shifting
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Is shifting suitable here? Thanks.

Yes.