For the Experiment Described, Write the Indicated Event in Set $\{$

For the experiment described, write the indicated event in set notation.
-A coin is tossed three times. Represent the event "the first two tosses come up the same" as a subset of the sample space.

A) $\{$ hhh, hht, hth, htt, thh, tht, tth, ttt $\}$
B) $\{$ hht, th $\}$
C) $\{\mathrm{hhh}, \mathrm{hht}, \mathrm{tth}, \mathrm{ttt}\}$
D) $\{$ (tails, tails) , (heads, heads) $\}$