Directions: Select the appropriate phrase(s) or connector(s) from the three options provided that can be used to create a single sentence by connecting the two given sentences without changing their meaning.

Sentence l - Mr. Musk supported the call for AI regulation due to concerns about public safety.
Sentence ll - He emphasized the importance of having a "referee" in the field of artificial intelligence.

1. Furthermore, he stressed
2. In addition to this, he underscored
3. Moreover, he highlighted