Question

"Which sentence below shows correct use of an em dash?

(4 points)

a
We're hosting a party – you are invited, of course – later this month.

b
We're hosting a party you are invited – of course later this month.

c
We're – hosting a party, you are invited of course later – this month.

d
We're hosting – a party – you are invited of course, later, this month."