My answers were wrong, could you explain what which is right?

The accompanying diagram, which describes the fate of the intermediate in a reversible reaction, implies that: reaction coor dinate A. the less stable product forms more rapidly B. No conclusions can be drawn as to either reaction rate or product stability C. product B will predominate at equilibrium D. the more stable product larms more rapidly E. the intermediate has a shor lifetime What is an IUPAC name for A. 5,6-dimethyl-5-hepten-3-yne B. 2,3-dimethyl-2-hepten-4-yne C. 1,1,3-trimethylhex-3-yn-1-ene D. 1,1,3-trimethyl-3-hexyn-1-ene E. 2.3-methylhept-2-en-4-yne What is the product of the following reaction? I II III IV V