I s ` pose I should n't have let him go so meek but I was timid and frightened of father .<br>Besides , I did n't know men were so skurse . ''<br>When the girls were safely away , Diana driving and Anne holding the coveted platter carefully on her lap , the green , rain-freshened solitudes of the Tory Road were enlivened by ripples of girlish laughter .

Choose your answer: based on the paragraph above can we conclude that "Diana was only fifteen years old."?

Available choices:
(I) Yes.
(II) It's impossible to say.
(III) No.
I think the answer is
(II)