I said nothing and gave no advice , not having lived seventy-five years for nothing .<br>I knew that Doctor John 's decision was manly and right and fair ; but I also knew it was all nullified by the fact that Marcella already loved him .<br>So much I knew ; the rest I was left to suppose .<br>The Doctor and Marcella told me much , but there were some things too sacred to be told , even to me .<br>So that to this day I do n't know how the doctor found out that Marcella loved him .
Can we infer the following?
In their 75 years, the person has traveled to over 10 countries.

Available choices:
(A). Yes.
(B). It's impossible to say.
(C). No.
The answer is:
(B).