Read the following article and answer the question by choosing from the options.

I LOVE how the color fades into each other , and how they have used different color combos and different crops of the swirl at each different place ... it 's just so beautiful I think ! The whole thing is just so festive . Eric and Clark went out to Mtn . Biking while the rest of us went home and Katie and I got naps .

Why did Eric and Clark go out mtn biking ?
OPT:
(a). Because different color combos have been used .;
(b). None of the above choices .;
(c). Because the whole thing is so festive .;
(d). Because the writer loves how the color fades into each other .;...A:
(b).