I am certainly lucky to have a k

I am certainly lucky to have a kind wife who is loving ______.
A、in mind
B、in person
C、by nature
D、on purpose
【正确答案】：C
【题目解析】：in mind在心里；in person：亲自；by nature：天生地，生性；on purpose：故意地。根据句意可知，选C。