asking questions to improve listening
The effect of the speaker hearing about the statue from the traveller as opposed to seeing it with his own eyes is. It helps emphasize how the story is a tale that is being passed on to the reader, indicating that there is a message to be heeded.
A gerund is a verb changed into a noun by adding 'ing' to the end of the word.
So your answer is B. Jogging
Hope this helps. :)