Answer:
A) Both Participate in multinational groups is the correct answer.
Step-by-step explanation:
The countries which are in the initial stages of industrialisation are called developing countries. Developed countries have high per capita income and GDP than developing countries. The birth and death rates are also low in developed countries while both are very high in developing countries. One common feature of both developed and developing economies is that they both participate in multinational groups to boost trade e.g G8 is made up of all the industrialised countries, While SCO (Shanghai Cooperation Organisation) consist of both developed and developing countries as its members.