Here's a problem to solve: A student accidentally drops a test tube that breaks when it hits the floor. Which method is the best way to retrieve the broken glass?

Among the 4 following options, which is the correct answer?

- A: pick up the pieces with a paper towel
 
- B: use a chemical spill kit
 
- C: use a dustpan and broom
 
- D: pick up the pieces by hand
 