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Comprehensive and Detailed Explanation:

Assembling Objects gauges your ability to visualize how components fit and in what order. For a tapered through-hole, the correct method is to insert the handle from the bottom (narrow end first) so the wider portion locks into the head as it is pulled upward. Once the head is seated near the top of the taper, a metal wedge is driven into a kerf at the top of the handle to expand the wood, increasing friction and locking the head. Finally, an end cap can be added if designed to protect the handle top or improve grip. Option C matches this proven sequence: insert from bottom → seat → wedge from top → cap. Options A and D incorrectly insert from the top or drive the wedge from below, which defeats the taper’s locking action. Option B wedges from the bottom, which cannot expand the top of the handle inside the head effectively. Visualizing taper direction and wedge expansion is the key skill mirrored in AO tasks.