Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
Our conception of what should a science of mental life be has changed considerably since James' time.
Our conception of
what should a science of mental life be
has changed considerably since James' time.
No error
Correct answer is B
what a science of mental life should be