有关喹诺酮类性质和用途的叙述，错误的是

A.萘啶酸为本类药物的第一代，仅用于尿路感染，其作用弱

B.吡哌酸对尿路感染有效外，用于肠道感染及中耳炎

C.第三代该类药物的分子中均含氟原子

D.本类药物可以代替青霉素

E.用于上呼吸道感染E环丙沙星属于第三代喹诺酮类抗菌药物

George has been appointed as the sole director of Software Solutions Ltd and has a three year contract for his services to the company. George has entered into a contract in the name of Software Solutions Ltd for the provision of services to George Ltd, a company wholly owned by George, at a discounted price. Simon, who is one of the shareholders holding 15% of the issued share capital in Software Solutions Ltd, wishes to take legal action against George and replace the director of Software Solutions Ltd.Required:Advise Simon and George as to their legal rights and obligations. (10 marks)