Read the following passage and answer the questions.
Let ABCD be a square of side length 2 unit. C2 is the circle through vertices A,B,C ,D and C1 is the circle touching all the sides of square ABCD. L is the line through A.
If P is a point of C1 and Q is a point on C2, then
(PA2 + PB2 + PC2 + PD2)/(QA2 + QB2 + QC2+ QD2) is equal to
(a) 0.75
(b) 1.25
(c) 1
(d) 0.5