Which of the Following Statements Is True About the Murabaha

Which of the following statements is true about the murabaha contract?

A) Under the murabaha contract, when an Islamic bank lends money to a business it takes a share in the profits that are derived from the investment.
B) Under the murabaha contract, money deposited in a savings account is treated as an equity investment in whatever activity the bank uses the capital for.
C) The murabaha contract is widely used among the world's Islamic banks because it is the easiest to implement.
D) The murabaha contract is a more efficient system than the Western banking system since it encourages both long-term savings and long-term investment.