D.) \"I shall wear white flannel trousers, and walk upon the beach.\"
An allusion is a reference to another published work or well-known figure. Option A speaks of prophets. Option B speaks of Lazarus. Option C speaks of Prince Hamlet. The speaker of the poem is not actually talking about prophets, Lazarus, or Prince Hamlet. Instead he is alluding to them in order to better illustrate the point he is trying to make. Option D does not contain any allusion but rather just describes his clothes and behavior.