Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best COMBINES each pair of sentences in the following sentences I explained the rules of the game carefully.

14/50

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best COMBINES each pair of sentences in the following sentences

I explained the rules of the game carefully. However, he didn't understand them.

Although I explained the rules of the game carefully, he didn't understand them.

Because I explained the rules of the game carefully, he didn't understand them.

He didn't understand the rules of the game, but I explained them carefully.

I explained the rules of the game carefully, so he didn't understand them.

Giải thích

A. Although I explained the rules of the game carefully, he didn't understand them.