Find the Product $7 \mathrm { i } ( 5 - 5 \mathrm { i } )$

Multiple Choice

Find the product. Write the answer in standard form.
- $7 \mathrm { i } ( 5 - 5 \mathrm { i } )$

A) $35 \mathrm { i } - 35$
B) $- 35 \mathrm { i } - 35 \mathrm { i } ^ { 2 }$
C) $35 + 35 i$
D) $35 \mathrm { i } + 35 \mathrm { i } ^ { 2 }$