Respuesta :
Here, the word dote probably means 4. cherish. It is an old word which means deep and uncritical adoration for something.
The right answer is "3. feel affection for"
The word "doat" means an intense admiration for something or someone. In this case, the text, when using the sentence "... I doated on this little toy .." is the same as saying "I felt a great affection for this toy."