To “shore up” the main deck for the stowage of deck cargo means to（）.
- Aweld pad eyes on deck in proper position to secure the cargo
- Bstrengthen the main deck by placing pillars underneath it in the tween-decks
- Cdistribute the weight of the cargo by placing fore-and-aft planks on the main deck
- Dpackage the cargo in wooden crates so it will not damage the deck