Since you didn't include the picture i could be wrong but the most famous 'study of a woman's back' i know of is matisse.
The correct option is B. The rule is when one of the nouns connected by 'or' or 'nor' is plural then the verb must be plural and the plural subject should be placed next to the verb. Here, 'Surendra' is singular subject and 'his friends' is plural subject thus 'have been' is used which is plural verb. Hence, 'Have been' is the best fit according to the rule
art curator, may require a master's degree, while a degree in communications or journalism may also lead to a career as an art critic.
