The correct closing would be:- With warm wishes,
Answer: C) with warm wishes,
(on a side note, you may add your name for example:-
With warm wishes, Marie Hannah)
I guess you could say its also like parental genetics except we have our own genes the way you move your hand is different then other peoples hand movement
I believe that the phrase from Mandela's speech that is an example of a metaphor is the first one - 'the children, [...] the greatest of our treasures."
A metaphor is a type of comparison, where two or more things are compared without using words such as <em>like </em>or <em>as. </em>Here, the children are the greatest of our treasures - they are compared to a treasure, something which is the most important thing of all.