In $\odot(O, 7),$ the length of $\widehat{ABC}$ is $14.$ Then,$\ldots \ldots$ holds good.
- A$\overline{AC}$ is a diameter
- B$\widehat{ABC}$ is a minor arc
- C$\widehat{ABC}$ is a major arc
- D$\widehat{ABC}$ is a semicircle
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