______ there is little we can do to change the reality, we can not be totally at the mercy of the harsh environment.

A．Within 24 hours of registering.
B．One week before the designated registration date.
C．24 hours before the registration date.
D．After he gets a letter from university financial officer.

A．It’s impossible for the man to run like six months ago.
B．The woman gained 80 pounds because she has a triplet.
C．The mother of the man’s running buddy was diagnosed with cancer.
D．Both of them will take part in Sunday’s run.