which compound contains a triple bond?

which compound contains a triple bond?
Answer
Explanation:
Step1: Identify bond - types
A single bond is represented by a single line (C - C), a double bond by a double line (C = C), and a triple bond by a triple line (C≡C).
Step2: Analyze each structure
The first structure has all single C - C and C - H bonds. The second structure has a C = C double bond. None of the given structures have a triple bond.
Answer:
None of the above