The host that is "carrying" the disease.
It's D because first thing you do when you are aging into a adult is find a job
<span>Hi,
What are malignant tumors?</span><span>
Malignant tumors may develop in any part of the body.
- Malignant (or cancerous). In malignant tumors, cancer cells invade and destroy the cells that are nearby.
(The cells of malignant tumors proliferate uncontrolled <span>way).</span></span>
The answer is B) Neonatal Infection. Hope this helps!:)