Identify which of the sentence are correct :
A. She was pouring water in the jug.
B. My father was angry with my brother.
C. Rama has been living in Delhi for 1975.
D. The children laughed at the beggar.
E. The patient was crying on pain.
Choose the correct answer from the options given below :-

Sentence C: The correct sentence should be: "Rama has been living in Delhi since 1975." The preposition "since" is used to indicate the starting point of an action or state.

Sentence E: The correct sentence should be: "The patient was crying in pain." The preposition "in" is used to indicate the state or condition the patient is experiencing

Sentences A, B, and D are correct, and hence, the correct option is B.