Question: How is translation of sung texts different than translations of poetry?
Answer: There is the option in prose sung texts, less so in verse, of adding or deleting a syllable here and there by subdividing or combining notes, respectively, but even with prose the process is almost like strict verse translation because of the need to stick as closely as possible to the original prosody of the sung melodic line.
A single-select problem: Is the question answered in a satisfactory fashion?

Options are: A. yes; B. no;
B.