15. 樂樂飯店任職的四位員工各自的工作內容如表(一),關於其所屬部門下列何者正確?(A)小陳隸屬於front office department(B)小謝隸屬於housekeeping department(C)小林隸屬於public relations department(D)小宋隸屬於human resources department