Choose the closest paraphrased version after each of the following sentence or the italicized part.
Nothing more was said about it immediately, but a new idea had taken life in her mind.（）
A.正确答案D…but it had taken her whole life to form a new idea.
B.…but her mind began to work busily for new ideas.
C.…but a new idea had changed her outlook on life.
D.…but a new idea had occurred to her.
