The article states:

Drops pattered and splattered all around them. But they didn't get wet! The indoor downpour looked like magic. But it all came down to science. Motion sensors and cameras tracked people's locations. Then the waterworks were switched off wherever they went.

Which phrase from the passage helps you understand the meaning of the word sensors?

A.down to science
B.pattered and splattered
C.didn't get wet
D.tracked people's locations

1 answer

D. tracked people's locations