أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
A. a computer with large auxiliary storage capacity
B. a data base of economic data
C. a model base of quantitative analysis programs
D. All of the above
E. None of the above
Thanks for the invitation, but I am not sure of the answer
D. All of the above