Lamarck’s theories were discredited when traits were
found to be not acquired.
a. perfected.
b. transfigured.
c. developed.
d. inherited.

D.) inherited

Explanation:

Lamarckism is the hypothesis that an organism can pass on characteristics that it has acquired through use or disuse during its lifetime to its offspring. It's kinda like heredity. It is also known as the inheritance of acquired characteristics or soft inheritance.

I believe the answer is producing runners.
Asexual reproduction is a type of reproduction  that produces plants that are genetically identical to the parent plant because no mixing of male and female gametes takes place. Plants like strawberry produces a root runner to propagate asexually, stems that grow at the soil surface or just below ground and can give rise to new plants.