Why Did Johannes Goedaert Paint a Broken and Empty Nautilus

Why did Johannes Goedaert paint a broken and empty nautilus shell beside the vase in his Flowers in a Wan-li Vase with Blue-Tit?

A) To emphasize the exotic origin of the Ming vase
B) To symbolize worldly wealth,vanity,and mortality
C) To balance the bird on the canvas's other side
D) To parallel the shape of the tulips' open blooms