Which of the Following Statements Is True

Which of the following statements is true?

A) During the 1960s and 1970s, the growth of building societies ensured an increasing supply of funds for housing loans at reasonable rates.
B) During the 1960s and 1970s, the credit union expansion ensured the availability of relatively low cost unsecured and secured personal loans.
C) During the 1960s and 1970s, regulatory constraints meant that banks could not in general satisfy the demand for consumer credit.
D) All of the listed options are correct.