Which of the following sentences correctly uses a semicolon?
A) Someone totally messed up my room; my sister looked very guilty.
B) I tried to move the desk to find my fallen paper; but it was too heavy.
C) Ellen changed the light bulbs in the lamps, washed the car; walked the dog; and swept the garage.
D) It was hard to find our way through the house, for the lights were dimmed and the sun was down.

A) Someone totally messed up my room; my sister looked very guilty.

Explanation:

Semicolons are kind of a period to a sentence, but it is used to link two sentences about the same topic into one sentence.

a

Explanation:

a semicolon is a replacment for a comma and conjuction( for and nor but or yet so) so, it replaces that, so you can try to replace the colon with a conjuction and comma.

hope this helps!

~angalina or nat :)