Question

(LC)Which sentence below shows correct use of em dashes?

a) In a-thousand-years, most of our greatest monuments such as they are will have crumbled to nothing.
b) In a thousand years, most of our greatest monuments – such as they are – will have crumbled to nothing.
c) In a thousand years, most of our greatest – monuments such as – they are will have crumbled to nothing.
d) In a thousand years, most of our greatest monuments such as they are will have crumbled-to-nothing.

Answer 1

B, it's the one that makes most sense in it's placement with the dashes.