The talk between the two sides started and continued in a friendly .A. conditionB. atmosp

问题补充：

The talk between the two sides started and continued in a friendly .

A. condition

B. atmosphere

C. situation

D. state

答案：

A. condition

(答案→)B. atmosphere

C. situation

D. state

解析：名词名词词义辨析。A条件；B气氛，氛围，大气；C情景；D状态；句意：双方之间的谈话开始看并在一个友好的氛围中继续进行了下去。根据句意说明B正确。