Question

help o;

Answer 1

Let me assist you,

Original Writing:
Although the development of the interstate highway system made it easy to transport goods by trucks, shipping companies never stoped using the train system as well.

X.) (Talking about past tense, so there's no way it could be "Making")
Although the development of the interstate highway system (making) it easy to transport goods by trucks, shipping companies never stoped using the train system as well.

X.) (There is no need for a comma, so cross this one off.)
(Although, the) development of the interstate highway system made it easy to transport goods by trucks, shipping companies never stoped using the train system as well.

C.)
Although the development of the interstate highway system made it easy to transport goods by trucks, shipping companies never (stopped) using the train system as well.

D.)
Although the development of the interstate highway system made it easy to transport goods by trucks, shipping (Companies) never stoped using the train system as well.

(Anything in quotes is installed in the writing)

I hope this helps you!

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