The answer to the question :
Which of these Victorian beliefs did Oscar Wilde openly challenge? is :
C . Artists should use their work as a call for social reform .
B. Taking notes
Writing down the minutes of the meeting means that you are writing everything that happened at the meeting in order, possibly also including times.
You can automatically eliminate A and B which leaves you with D and C the better choice would be D.
If we are talking about the airplane terminology, to to take off means to leave the ground, to start flying. So, the opposite of that verb would be to land.