Read the following announcement and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 13 to 16.

SAFETY TIPS FOR SOLO TRAVELERS

- Always stay aware (13) ______ your surroundings.

- Make sure to have (14) ______ emergency contact list ready.

- Avoid walking alone at night and stick to well-lit areas.

- (15) ______ someone about your daily travel plans.

- Keep your important documents in a safe place to avoid (16) ______ situations.