Read the text and answer the question. TEXT C — Sharing the Sky The rapid spread of small drones has forced aviation authorities to rethink how airspace is shared. Drones now inspect power lines, photograph construction sites, and deliver urgent medical supplies — operations that were once impossible or prohibitively expensive. The same flexibility, however, creates hazards: an unmanned aircraft that strays into the approach path of an airliner can force evasive action or a go-around, and repeated sightings near airports have already led to costly shutdowns in several countries. Regulators answer with layered rules: registration, pilot knowledge tests, restricted zones, and, in some regions, digital identification broadcast by the drone itself. The objective is not to ban the technology but to integrate it safely, so that the economic benefits do not come at the expense of the passengers flying overhead. According to Text C, a drone that enters an airliner's approach path can cause:
Answer: A — Evasive action or a go-around
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