Synonym and Antonym 1

He wound have my support in a heartbret. Here "heartbeat" means- 

BUTEX 16-17

In this context, 'heartbeat' is used metaphorically to denote a very short period of time, which aligns with option B 'in no time'. It implies that the speaker would give their support almost instantly.

Synonym and Antonym 1 টপিকের ওপরে পরীক্ষা দাও