Based on the options given, the closest range to what you have in mind is option C) Between 1.2 M and approximately 25 M. Although it does not exactly match your range of between 1.2 M and approximately 15 M, it is the closest option available. Super-Earth planets are generally defined as planets with masses greater than Earth's but less than Neptune's, so the mass range between 1.2 M and 25 M includes a broad range of super-Earth planets.
