When Sheila is in Country A, she is considered to be black, but when she travels to Country B, she is considered to be white. Given what you know about the social construction of race, which of the following best explains this situation?
a. Sheila sometimes says that she is black and sometimes says that she is white.
b. Sheila's race varies because each country has defined race according to different criteria.
c. Sheila's gender makes it possible for others to interpret her race in different ways.
d. In one country ethnicity matters more than race, and in the other the opposite is true.

 Option (b) is correct option  

Explanation:

According to the question,different countries persist varying opinion and beliefs on social identity of person in community as race trait according to their country's criteria. Thus, in Country A Sheila is considered black whereas Country B considers her white as per race criteria.

Other options are incorrect because of white and black saying of Sheila, gender of Sheila or ethnicity priority in a country are not main reasons due to which Sheila is recognized white and black in different countries. Thus, the correct option is option(b).

when your a dog and you need a bone.   go and eat a rabbit

this is called police cynicism. i hope this .