The life within the walls of a monastry may be supported in several ways:
by manufacturing and selling goods, by donations or alms, by rental or
investment incomes, and by funds from other organizations within the religion.
There has been a long tradition of Christian___ providing hospitable,
charitable, and hospital services.
答案是(D) monasteries
但是(C)ministers牧師；神職人員 也可以啊??