张某，女，20岁，恶心、呕吐，上腹部疼痛数小时后转为右下腹痛，体温38℃，右下腹有固定压痛点，有腹肌紧张及反跳痛，白细胞15×109/L。首先考虑诊断是

A．Flexibility and quick responses are most helpful in exchanging ideas.
B．Speaking skills are the key ability to arouse the listeners’ passion.
C．In a common process, all the participants make contributions.
D．Social skills are more useful to help you express your opinions better and to make you more popular.