Option 1 -> This is merely showing off a possession, not a transformation.
Option 2 -> This is decluttering or discarding items, not undergoing change.
Option 3 -> This represents a complete transformation from a neglected, weed-filled state to a beautiful, well-maintained lawn.
Option 4 -> This is surface-level decoration, not a fundamental change.
Hence, Option 3 -> Metamorphosis means a complete transformation or dramatic change in form, nature, or character. The garden scenario best illustrates this as it shows something fundamentally changing from one state (overgrown with weeds) to an entirely different state (a lovely green lawn) -> correct