He , keeping his eyes lowered , and affecting the demure manners that suited his disguise , had but seen her once , and was unaware that he had attracted her attention .<br>And now , on the third floor , the party separated , the younger lady continuing to ascend alone , the other , followed by the waiting-maids , descending the corridor to the right .
Can we infer the following?
His demure manners attracted the attention of the young lady. 

Options: (I). Yes. (II). It's impossible to say. (III). No.
The answer is:
(I).