$\because$ 3 matches ended in a draw, total number of bonus points scored is 14 and Everton lost against Bournemouth by 1 - 4.
$\therefore$ Bournemouth won 1 match and drew 0 matches as the total number of matches played by each team is 5.
$\therefore$ Arsenal scores 13 points only if its 1 match ended in a draw and it lost 2 matches.
$\because$ Southampton lost 1 matches and drew 0 matches, it won 4 matches as the total number of matches played by each team is 5.
$\because$ Bournemouth won its only match against Everton by 4 - 1, they scored only one bonus point as the difference between number of goals scored is 3.
Also, 3 matches ended in a draw.
$\therefore$ Total number of wins and losses will be 12 as the total number of matches played is 15.
Following table can be made on the basis of above statements:

Now, total number of bonus points is 14.
$\therefore$ Southampton scored 5 bonus points.
$\therefore$ Southampton scored a total of 25 points and the difference between the total points scored by Southampton and Aston Villa is 12.
$\therefore$ Aston Villa scored 13 points and won 2 matches with 1 match ending in a draw.
$\because$ 3 matches ended in a draw, the total number of draws is 6.
$\therefore$ Sunderland drew 2 matches, lost 1 match and scored a total of 18 points.
Finally, the total number of wins and losses is 12.
$\therefore$ Everton won 1 match and lost 2 and scored a total of 11 points.
Following table can be made on the basis of above statements:

Everton won against Aston Villa 2 - 0.
$\therefore$ Everton scored both its bonus points against Aston Villa.
$\therefore$ Everton did not defeat any other team of higher rank.
$\therefore$At the end of the group matches, Sunderland has the second highest number of points.
Hence, option C.