The correct answer is 'trumpet.' Key Points - In the given sentence, we need a word close to the meaning of 'to produce a loud scream or call (for elephants)' to fill in the blank. - Let us see the meanings of the given words: - Trumpet: (of a large animal, especially an elephant) to produce a loud call. - Frolic: play or move about in a cheerful and lively way. - Whine: give or make a long, high-pitched complaining cry or sound. - Sing: make a high-pitched whistling or buzzing sound. - From the meanings of the words, we can say that 'trumpet' is the most appropriate answer. - Therefore, the correct answer is 'trumpet.'