I believe giddy as used in the above text would be excited, frivolous, carefree, etc.
Hope it helps!
The answer is C: <span>his contempt for money and gold
The passage shows that while, at one point, the banker truly loved money and believed it to be/provide paradise, now he sees it with "contempt" and he "despises" it. In fact, he hates it so much that he will "deprive [him]self of [his] right to them.</span>
The adjective is "red" because it is describing the colour of Zoe's shoes. Hope this helps!