What rules apply to taking different objects to the Centre? Match each object with the correct rule, A-C. Write the correct lett

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问题 What rules apply to taking different objects to the Centre?
Match each object with the correct rule, A-C.
Write the correct letter, A-C.
Objects:
Rules:
A You MUST take this
B You CAN take this, if you wish
C You must NOT take this
Mobile phone______