---Spell it please.---.A. Yes P-E-N pen.B. P-E-N pen.C. /pen/D. PEN

问题补充：

---Spell it, please.

---.

A. Yes, P-E-N, pen.

B. P-E-N, pen.

C. /pen/

D. PEN

答案：

A. Yes, P-E-N, pen.

(答案→)B. P-E-N, pen.

C. /pen/

D. PEN

解析：句意：——请拼写它。——P-E-N, pen.拼写时，字母中间应用连字符。