Which sentence uses capital letters correctly?

a.
after we left san francisco, we drove across the golden gate bridge.

b.
after we left san francisco, we drove across the golden gate bridge.

c.
after we left san francisco, we drove across the golden gate bridge.

B

Explanation:

After needs to be capitalized because it is the first letter of a sentence.

San Fransisco need to be capitalized because it is a proper noun.

Golden Gate Bridge is also a proper noun so therefore it needs to be capitalized as well.

it was given away at no charge

it means the homeless needs more

explanation:

the homeless has no food water homes ect.