【名词&注释】
急性淋巴细胞白血病(acute lymphoblastic leukemia)、慢性淋巴细胞白血病(chronic lymphocytic leukemia)、研究结果(results)、幼淋巴细胞白血病(prolymphocytic leukenia)、浆细胞白血病(plasma cell leukemia)、分化抗原(differentiation antigen)、核染色质(nuclear chromatin)、卵圆形(ovoid in shape)、颗粒状(granular)
[单选题] Which is the major regulator of proliferation and differentiation of megakaryocytes
A. erythropoietin
B. colony stimulating factors
C. .granulocyte colony-stimulating factor
D. interferon
E. thrombopoietin