Benign tumors:

1. are metastatic.
2. grow slowly.
3. are usually encapsulated.
4. grow in a disordered manner.
a. 1
b. 2
c. 2, 3
d. 1, 3, 4

C
Benign tumors grow slowly and are encapsulated. Because of this, they are less harmful than malignant tumors, which are metastatic and grow in a disordered manner.