Which answer shows 10.39 written in expanded form?
A.1+0.3+0.9
B10+3+0.9
C10+0.3+0.09
D1+0.3+0.09
A.1+0.3+0.9
B10+3+0.9
C10+0.3+0.09
D1+0.3+0.09