A（）is a mild, indirect or less offensive word or expression that replaces a taboo word or serves to avoid more direct wording that might be harsh, unpleasantly direct, or offensive, e.g. "pass away" for "die".

A. To prescribe over the Cabinet.
B. To serve as Minister of Justice.
C. To serve as First Lord of the Treasury.
D. To serve as Minister for the Civil Service.

A. It actually has not much to do with assumptions.
B. Overly positive assumptions can hardly make people open a savings account.
C. Opening a savings account usually results from positive assumptions.
D. It usually has much to do with disastrous miscalculations.