Answer:
Um.. I can answer the question unless you just want a statement like that for fun.
Explanation:
My mother buys a new rice cooker.
1. in and of.
2. in.
3. to.
4. of.
5. into (off could be a preposition but in this case is part of the phrasal verb 'to send off')
It's D. The verb 'buy' is transitive as it takes a DO.
