{|2x² - 3x - 7|, if x ≤-1
The number of points where the function f(x) = {[4x² - 1}, if -1 < x <1,
{|x + 1| + |x-2| if x≥1

Where [t] denotes the greates integer ≤ t, is discontinous is

A. 7
B. 07
C. 7.00
D. 7.0