She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.

A. her mother … when               B. to her mother why … that

C. her mother that … when           D. to her mother that … when

She was just about to explain ___ she hadn't passed her maths test chiefly

out of carelessness ___ her uncle came.

A. her mother … when              B. to her mother why … that

        C. her mother that … when          D. to her mother that … when

She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.

A. her mother … when               B. to her mother why … that

C. her mother that … when           D. to her mother that … when

She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.

1. A.
   her mother … when
2. B.
   to her mother why … that
3. C.
   her mother that … when
4. D.
   to her mother that … when