What is the reaction that the structure shown imposes upon point $C$? (That is, what force does member $BC$ exert on the ground?) Take $x$ positive to the right and $y$ positive upwards.

A. $(-5.85i - 2.25j)$ $kN$
B. $(-5.85i + 2.25j)$ $kN$
C. $(5.85i - 2.25j)$ $kN$
D. $(5.85i + 2.25j)$ $kN$
E. $(-5.40i - 2.25j)$ $kN$
F. $(-5.40i + 2.25j)$ $kN$
G. $(5.40i - 2.25j)$ $kN$
H. $(5.40i + 2.25j)$ $kN$