Here's a problem to solve: Greta passed a comb through her hair several times. She then placed the comb next to a stream of water flowing from a faucet. Greta observed the stream of water bend toward the comb. How did passing a comb through her hair allow the comb to bend the stream of water?

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

- A: by making the comb more absorbent
 
- B: by giving the comb an electrical charge
 
- C: by increasing the thermal energy of the comb
 
- D: by breaking some of the chemical bonds in the comb
 