单项选择题
Having liberated the player from an exclusively team performance, Louis Armstrong unwittingly codified the vocabulary of the soloist in a series of famous recordings（）
A. unfavorably B. unpopularly C. unquestionably D. unintentionally
单项选择题 I don't know（）it was that answered the phone this morning
单项选择题 The full（）of changes in computer technology will be felt within the next few years.
单项选择题 She was extremely lucky; when her great-uncle died, she（）a fortune.
