We Generally Think of Sexual Reproduction as Producing Offspring Whose

We generally think of sexual reproduction as producing offspring whose genome is related to, but not identical with, the parent plant. In which of the following does fertilization result in offspring that are genetically identical with the parent?

A) self-fertilization in ferns (sperm and egg from same gametophyte)
B) self-pollination in a pine (pollen and ovule came from the same tree)
C) self-pollination in a flowering plant (pollen and ovule came from the same flower)
D) self-pollination in a flowering plant (pollen and ovule came from different flowers on the same plant)
E) None of the answer options is correct.