27. To a solution of propyne in diethyl ether, one molar equivalent of CH3Li was added and the resulting mixture was stirred for 0.5 hour. After this time5 an excess of D20 was added. Describe the major organic product(s) of this reaction. h
(A) CH₃CCD + CH₄
(B) CH₃CCCH₃
(C) CD₃CCD₃  
(D) CH₃CCCD₃
(E) CH₃CCD + CH₃D 

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