In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to replace linoleum [title] Determine your subsurface. [substeps] If you do not already know what kind of flooring lies underneath your linoleum, you will need to find out in order to remove the old linoleum properly. Choose a corner of linoleum that is the most ragged or curled and try to pry it loose with your fingers. <sep> (A) If you are using a circular head to remove linoleum, remove the whole pattern at once. [substeps] Use a reciprocating blade to dig out the entire pattern of the linoleum that is revealed under the rug. (B) If your subsurface is sharp or has cracks, this may help you loosen it a little bit. [title] Install the new linoleum after washing as required. (C) You only need to see a small portion of the floor to identify it. Common sub-surfaces include hardwood, concrete and vinyl flooring. (D) Then stick a luknife in the edge of the run over edge and push straight up. Do not have someone hold the run over edges of your table.
C