Vicky Limited is a licensed corporation in Hong Kong. The company intends to engage an external auditor, Liying Company, to conduct an audit of the company.Which of the following statements is true? (1). Liying Company is responsible to the senior management of Vicky Company (2).The internal audit team of Vicky must follow the overall arrangement of Liying for the audit work (3).Liying will only accept the segregation of duties when it is satisfied that the internal audit staff are competent and have independent authority (4).Liying's recommendations shall be reported to Vicky's senior management in a timely manner.
选项：

A: (1)(3)(4)
B: (3)(4)
C: (1)(2)(3)
D: (1)(2)(3)(4)