— ______?

— He's friendly and helpful. [ ]

A. What does he like?

B. What is he like?

C. What is he alike?

D. What is he look like?

马克思主义哲学产生最主要的自然科学基础是（）

A.机械力学

B.地质学和胚胎学

C.天文学和数学

D.细胞学说、能量守恒转化定律、生物进化论