What is the result of this subtraction? 6.3−(4.9−7.8)= CHOCIES : A –3.4 B –6.4 C 3.4 D 9.2

What is the result of this subtraction?

6.3−(4.9−7.8)=
CHOCIES :
A
–3.4
B
–6.4
C
3.4
D
9.2