Which of the following sentences should be connected with a semi$-$colon?

A$.$ Because the Olympics will be held in my home country this year I will attend.

B$.$ There are many types of fish in the sea $\_$ there are also many types of birds in the sky$.$

C$.$ The team is down on points but can still win the game.

D$.$ You will need to bring your driver's license, social security card, and birth certificate.