Like Bifurcate Merging Kinship Terminology,generational Kinship Terminology

Like bifurcate merging kinship terminology,generational kinship terminology

A) is common in North America.
B) makes sense only from the perspective of ego.
C) illustrates the complicated ways in which adults confuse their children about the realities of biology.
D) uses the same term for parents and their siblings, but lumping is more complete (there are only two terms for the parental generation) .
E) uses the same term for parents and grandparents, so there is less lumping than in the bifurcate merging kinship system.