Which of the following was a common criticism of Exxon's actions after the $1989$ Valdez disaster?

Select one:

a$.$ Exxon did not pay sociologists well enough for the research they did on jury deliberations.

b$.$ Exxon agreed to fund only those sociologists who were known to be in favor of Exxon's policies and actions.

c$.$ No legal scholars were approached to do research on jury deliberations.

d$.$ Exxon did not volunteer to fund research on clean$-$up technologies or long$-$term environmental costs.