i'd hade enough bread.would you like one/some more选择的原因

i'd hade enough bread.would you like one/some more选择的原因
答案是one more但是面包不可数啊,我认为应该是some more
至少some more 也可以,在一个题目中,着两个答案根本选不出来,看做a piece of bread ,xuan 选one more,看做some bread,又可以选some more