The answer would be d. malfunction. (Supposing that the underlined word was failure). :)
Answer:
Identity is the qualities, beliefs, personality, looks and/or expressions that make a person or group. One can regard the awareness and the categorizing of identity as positive or as destructive. A psychological identity relates to self-image, self-esteem, and individuality.
Answer:
Capitalization Error
Explanation:
This sentence contians a capitalization error, because the word "doctor" should not be capitalized.
In the tense that is it being used, it is a common noun, therefore requires no capitalization.
If the sentence was Doctor John does not make house calls., then yes, it would be capitalized.