Answer:
A
What sevenยญletter word becomes longer when the third letter is removed?
What do people spend a lot of money on every year but never want to use it?
What time of day, when written in a capital letters, is the same forwards, backwards and upside down?
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
What language does a billboard speak?