Which of the Following Is an Example of an Indirect

Which of the following is an example of an indirect contact transmission?

A) A healthcare worker's mucous membrane or nonintact skin comes into contact with blood or other blood-containing body fluids from a patient
B) A scabies-infected patient's mites are transferred to the unprotected skin of a health care worker.
C) Instruments that are not well cleaned in between patients can transmit infectious organisms
D) Herpes virus is passed to a health care worker after the ungloved worker provides care to a patient's herpetic lesion