Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). (A) sporophyte, pollen cone, microsporangia, microspores, pollen nuclei (B) sporophyte, microspores, microsporangia, pollen nuclei, pollen cone (C) pollen cone, sporophyte, microspores, microsporangia, pollen nuclei (D) pollen cone, microsporangia, microspores, pollen nuclei, sporophyte