---Is that Nick?---No .A. it isn’tB. he isn’tC. that isn’tD. she isn’t

问题补充：

---Is that Nick?

---No, .

A. it isn’t

B. he isn’t

C. that isn’t

D. she isn’t

答案：

(答案→)A. it isn’t

B. he isn’t

C. that isn’t

D. she isn’t

解析：英语疑问句的应答一般要与上文保持人称时态及数的一致，根据上文助动词is及前文no，可知选A。