Every gift,_______,is in reality great if given with affection

问题描述:

Every gift,_______,is in reality great if given with affection
[A} though being small
[B] small as it may be
并说明另外一个答案错误的原因,

B 形容词作插入语修饰名词
A项though 是此处作连词,后应接句子