Do we believe the black hole Sagittarius A* is growing?
A) We have witnessed the sudden disappearance of several orbiting stars in recent years, suggesting that Sagittarius A* is growing.
B) The x-ray radiation from Sagittarius is relatively weak, suggesting it is not growing.
C) The intense gravitational waves coming from Sagittarius A* suggest that it is growing.
D) While Sagittarius A* is not visible, the accretion disk around it is visible. This disk is growing, so we believe Sagittarius A* is growing.
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