The ¹H NMR spectrum of a compound with formula C₇H₁₄O shows only two signals. Which compound of the listed below was likely to produce this spectrum? A. 2-Heptanone B. 3-Heptanone C. 4-Heptanone D. 2, 4-Di methyl pentan-3-one E. 2, 2-Di methyl pentan-3-one F. None of the above