—you spell “pencil”?—Yes P-E-N-C-I-L pencil.A. Are B. How do C. Can

问题补充：

—you spell “pencil”?

—Yes, P-E-N-C-I-L, pencil.

A. Are B. How do C. Can

答案：

解析：句意：你能拼写一下“pencil”这个单词吗？好的，P-E-N-C-I-L, pencil.

情态动词can 表能够，故选C.