One of the statements below contains a word used incorrectly. Choose the option which has the incorrect or inappropriate usage of the word.

The word 'spot' means a small round mark or a particular place or location. Option A uses the word 'spot' in the context of a 'mark on the shirt', presenting a correct usage. Option B uses the word in the context of a location, and option D presents the phrase 'spot on', which means precise and accurate. Option C misuses the word by writing 'spot on his career', which is incorrect with the noun 'career'.