The correct option is B Fabaceae
The Androecium in Fabaceae consists of 10 stamens in two groups i.e., they are diadelphous with 9 stamens in one bundle and the 10th stamen more or less distinct. The pistil is simple, comprising a single style and stigma and a superior ovary with one locule containing many marginal ovules. The fruit is usually a legume.
So, the correct answer is 'Fabaceae'