which of the following inferences best explain the impact of shadrach's story on Harriet Ch. 13. book: Harriet tubman conductor on the underground railroad by Ann petry.

Answer choices
A: Harriet became more determined to bring people from the underground railroad to Boston
B: Harriet became so frightened by the threat of being arrested that she vowed to stop being a conductor
C: Harriet realized that she should increase her trips to Boston since more and more fugitives were being caught in other places
D: Harriet realized that even places like Boston were no longer safe because of the fugitive slave law.​