FROM PARAGRAPH 3, WE CAN INFER THAT WHEN MR. SAM WAS VERY YOUNG, H...

30. From paragraph 3, we can infer that when Mr. Sam was very young, he mostly helped

his parents by _________.

A. applying the woodblocks with proper paints and pressing them on sheets of paper

B. applying seashell powder to make various paints for painting making

C. drawing with a pen and using proper paints to make many copies of paintings

D. collecting and taking the paintings to the markets for sale