Everyone was very kind to me , especially the officers .<br>Do n't laugh , Jo , gentlemen really are very necessary aboard ship , to hold on to , or to wait upon one , and as they have nothing to do , it 's a mercy to make them useful , otherwise they would smoke themselves to death , I 'm afraid .

Based on that paragraph can we conclude that this sentence is true?
Gentlemen are here to hold on to

Available choices:
 (a). Yes;
 (b). It's impossible to say;
 (c). No;
(a).