According to the Corporate Governance Code of the Hong Kong Listing Rules, what must the board disclose about its audit committee?

ID : 1889
Long answer : The board must disclose the role, composition, and meeting attendance of its audit committee. (Source: https://en-rules.hkex.com.hk/sites/default/files/net_file_store/HKEX4476_3828_VER36626.pdf)
Short answer : The role, composition, and meeting attendance.
answer 2 : Only employee benefits.
answer 3 : marketing strategies.
answer 4 : Only IT systems.