Read the sentences below and choose the alternative that explains the use of the words in bold.

This was alarming because, although¹ the firewall obeyed quantum rules, it flouted Einstein’s general theory of relativity.

Soon I would marry the woman I loved and go to America. This may sound like an enviable position. Yet² what I didn’t count on was the uncertainty of life, and what uncertainty can do to a person. Inparticular³ , I thought security was my friend and uncertainty my enemy.