Answer: eloquently.
That means that he had managed to write in a well and effective manner, one capable to persuade, which sure is a motive of high satisfacton,specially for a journalist and activist.
A. Athletes
these are extra words because i need 20 characters
C. I am a rock.
It is a metaphor because it compares two things <em>without</em> using like or as.
The underlined phrase in the given sentence above is "during the tour". The word that is being modified by this phrase is option B. Bought. What did they do during the tour? They BOUGHT souvenirs. The word bought describes what they were doing during the tour.