Some groups pursue collective goods. A collective good is one that

This question is incomplete. Here is the complete question:

Some groups pursue collective goods. A collective good is one that

a. cannot be selectively granted or denied to individuals; it must be shared.

b. is provided by a public service organization.

c. is secured by the president.

d. is secured by Congress.

e. None of these answers is correct.

 The correct answer is option a. cannot be selectively granted or denied to individuals; it must be shared.

Explanation:

 Collective goods are those goods that all citizens can benefit from. A collective good can also refer to a social or economic system that benefits everyone, that is, it must be shared. Collective goods are produced by public authorities.

Given this information we can say that the correct answer is cannot be selectively granted or denied to individuals; it must be shared.

i'd say something like

maestro, ¿qué haremos cuando lleguemos al aeropuerto hasta que abordemos el avión?