What does a current ratio of 1.20:1 mean?

A For every $1.20 of current liabilities, a company has $1.20 of current assets.
B For every dollar of current liabilities, a company has $1.00 of current assets.
C For every $1.20 of current liabilities, a company has $1.00 of current assets.
D For every dollar of current liabilities, a company has $1.20 of current assets.