Excavations1. You are asked to enter a 1.5 m trench to pick up a dropped spanner. The sides are vertical and unsupported. What should you do?A. Jump in quickly; a short visit does not need support.B. Refuse until the excavation is made safe with a suitable support or batter and a safe way in and out.C. Send the smallest person so a collapse would be less serious.D. Poke the sides with a bar first; if nothing falls, it is stable.Check answer