How many students from institute 'A' got the placement?
I. Number of students studying in institutes A and B are in the ratio of 3:4 respectively.
II. Number of students who got placement from institute B is 120% of the number of students who got placement from institute A
III. 80% of the students studying in institute B got placement.

Determine whether the data given in the above statements are sufficient for answering the question.
A) I & II both B) Only I C) Only II D) Any one of the three D) Question cannot be answered with the information in all three statements.