Question

Vitamin c is obtained_____ citrus fruits
A. from
B. of
C. in
D. by​

Answer 1

from

Step-by-step explanation:

1. "from" is used to indicate where something originates from . example : Takahashi is from Japan.
2. "Of" is used in certain expression e.g. It's nice of somebody to do something.

Answer 2

`\boxed{\sf A. \ from}`

Step-by-step explanation:

Vitamin C is obtained from citrus fruits.

“from” is used here to refer the place that something comes out of.