Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.

  A. while         B. or                  C. for              D. so

Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.

1. A.
   while
2. B.
   or
3. C.
   for
4. D.
   so

Usually an adult man can grow about 1.7 meters tall,         a few may grow as short as 1.3 meters.

    A．while    B．or   C．for  D．so

 Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.

  A. while          B. or                      C. for                  D. so

Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.