The Following Question Refers to the Generalised Life Cycle for Land

The following question refers to the generalised life cycle for land plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilisation.
-In the figure, meiosis is most likely to be represented by which number(s) ?

A) 2
B) 4
C) 2 and 8
D) 10 and 12