Theses are the awswers that I got:
A.- 3
B.-4
C.-2
D.-1
Hoi!
"As a result" indicates a cause-and-effect sentence. This sentence discusses the price of shipping goods, which lessened due to better ways of transportation. The price lessening is a result of of new transportation methods, so "As a result" is the correct answer.
You have to post the statement so I can see which one is accurate
