According to the passage, which of the following activities would teach a baby about geome

According to the passage, which of the following activities would teach a baby about geometry？

A．Picking up a wooden block

B．Recognizing the number

C．Uttering a nonsense word

D．Looking at distant object

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！