Difficulty: Easy
Correct Answer: Peep from a secure window or peephole and open only if you recognise the person
Explanation:
Introduction / Context:This repeats a home security scenario. The principle remains: verify identity without compromising safety.
Given Data / Assumptions:
Concept / Approach:Visual verification before opening; do not disclose you are alone; contact help if suspicious.
Step-by-Step Solution:
1) Use peephole/window/intercom.2) Confirm identity and purpose.3) Refuse entry and call help if unsure.Verification / Alternative check:Balances courtesy and safety.
Why Other Options Are Wrong:
(A) Unsafe.(C) Impractical for legitimate visitors.(D) No servant; also unsafe delegation.Common Pitfalls:Unlatching chains early, oversharing.
Final Answer:Peep from a secure window or peephole and open only if you recognise the person.
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