What Would Be the Product,C,of the Following Reaction Sequence

What would be the product,C,of the following reaction sequence?

A) 2,6-Dimethylheptane
B) 2,2-Dimethylpropane
C) 2-Methylpentane
D) 2,2,5-Trimethylhexane
E) 2,2,6-Trimethylheptane