The European Commission issued a ______ decision on Oct. 29 permitting an alliance between United Airlines, Deutsche Lufthansa and Scandinavian Airlines System that allows them to coordinate prices, schedules and routes in the transatlantic market. It turned out to be well received.

A．drawing an analogy between asymmetry in lobsters and handedness in humans
B．developing a method for predicating whether crusher claws in lobster will appear on the left or right side
C．explaining differences between lobsters’ crusher claws and cutter claws
D．discussing a possible explanation for the way bilateral asymmetry is determined in lobsters

A．to warn about the dangers of revolutions in towns
B．to warn about the possibility of a population explosion
C．to suggest governments should change their priorities
D．to suggest governments invest in more housing in cities