They probably traveled by trucks because it would be safer for everyone.
Please see the attachment
Yes you just need to work a little harder
I think it is C.subject because he is pronoun, it can't be the object so A and D are wrong and B are also wrong because predicate nominative is a word in the nominative case that completes a copulative verb, so it didn't make any sense to me. In this case, the subject is in the back of the sentence "Danna and he".
“ Movie" most clearly describes the word "medium" because it's a means or a form through which people are communicated to.
