What Did a 2020 Study Involving a Meta-Analysis of 16

What did a 2020 study involving a meta-analysis of 16 different experiment-based studies of U.S. housing discrimination and 19 ethnographic studies of mortgage lending discrimination find?

A) Persistent unemployment not racism made homebuying more difficult for African Americans.
B) Racial gaps in loan denial declined significantly since the 1970s.
C) Black homebuyers were discriminated against more than Asian American homebuyers.
D) Persistent racial discrimination in the housing and mortgage market.