According to Groothuis, widespread dis-agreement about a particular moral question indicates that there is no objective moral truth about that question. A. True
B. False

Correct

A. True

Explanation:

Groothius, as a philosopher whose works was on Moral Error Theory, he argued that, there is no objective moral truth about a particular question due to disagreement  about it. What is a moral truth in one region might be disagreed to be in another region.

For example, Polygamy which has attracted widespread disagreement about its morality shows there is no objective moral truth in it.  In some regions of the world, it is accepted as morally right while in other regions, it is not acceptable as moral truth with heavy sanctions imposed on those who engaged in it.

that's a true information