Heaven

English

28 April, 05:09

Which sentence uses brackets correctly?

a) since the speaker is going mad, I wonder if it [the raven] is actually perched above the door

b) since the speaker is going mad, I wonder if [it the raven] is actually perched above the door

c) [since the speaker is going mad], I wonder if it the raven is actually perched above the door

d) since the speaker is going mad, [I wonder if] it the raven is actually perched above the door