Answer:
B. an interest rate paid on Eurodollar loans in the London market.
Explanation:
London InterBank Offered Rate (LIBOR)
This is simillar to the federal funds rate.
It is a rate at which banks offer fonds to other banks, thus "interbank", for short-term loans.
It is generallyaccepted to evaluate and compare interest rate and indicate the borrowing cost between banks.
It is based on five currencies:
Also, there are LIBOR for different maturities: