The definition definitely implies to an esker (A). Eskers are useful to mine for road building materials.

A drumlin (B) is a stream-lined, longitudinal hill of moraine with tail pointing in the direction of ice advance.

Moraine (C) is unsorted rock debris transported by ice and deposited by the melting of glaciers.

A crag and tail (D) is a larger rock mass than a roche moutonnee. Like a roche moutonnee, it is formed from a section of rock that was more resistant than its surroundings. On the lee side of the resistant rock, the bed rock was protected from the erosional power of the glacier.