I didn't realize my mother loves me so such until I received her gift for my 18th birthday

问题补充：

I didn realize my mother loves me so such until I received her gift for my 18th birthday, a diary the process of my growth．

A. recorded

B. to record

C. recording

D. having recorded

答案：

A. recorded

B. to record

(答案→)C. recording

D. having recorded

解析：考查分词做定语。本句中的动词record与名词a diary构成主动关系，所以使用现在分词短语在句中做定语修饰名词。句意：直到18岁生日的时候收到妈妈的生日礼物的时候我才意识到妈妈如此的爱我，那是一个记录我成长的笔记本。句意说明并没有已经完成的意思，所以没有必要使用完成式。故C正确。