\textbf{129.} In the figure below, $AD$ is tangent to the circle with center $O$, and $OH$ is perpendicular to $AC$. If $\widehat{DBC} = 2\widehat{DAC}$, how many times is angle $\widehat{COH}$ equal to angle $\widehat{DAC}$?
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\textit{[Figure: Circle with center $O$, tangent line $AD$, points $B$, $C$, $H$ marked]}
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(1) $2.5$
(2) $3$
(3) $3.5$
(4) $4$
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