【正确答案】 C

【答案解析】[解析] 画线词bore为动词，意为“钻孔”。A项trim意为“修剪；整理”；例：Grass shears are specially made to trim grass growing in awkward places.除草剪刀专门用于修剪缝隙角落里的青草。B项melt意为“熔化，溶解”；例：The hot sun soon melted the ice.炎热的阳光很快使冰融化了。C项drill意为“钻孔；训练”；例：He drilled through the wall by mistake.他误将墙壁钻穿了。D项slice意为“切开；割破”；例：When you slice an onion, it makes your eyes sting.切葱头辣眼睛。故本题选C。