What is the best description of sexual reproduction in plants?

a. a process in which gametes fuse to form a gametophyte
b. a process in which gametes fuse to form zygote
c. a process in which rhizomes and runners form
d. a process in which spores fuse to form a sporophyte

i think that c)gold was found there

but i am not sure

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms