详解
Choice B is the best answer because it most accurately describes the main purpose of the text, which is to establish that pianist Martha Argerich’s performances appear easy because of her work to prepare for them. The text begins by stating that Argerich plays in such a way that it looks like the music is coming to her naturally in the moment, without planning. It goes on to point out that despite her skill and experience, Argerich works tirelessly and treats each piece of music as if it is new each time she performs it, and that it is this preparation that causes her playing to appear relaxed and natural. These details establish that the purpose of the text is to assert that Argerich’s performances look effortless because of how she prepares for them.
Choice A is incorrect because the text doesn’t address how Argerich selects the music she’ll perform; instead, it describes how she approaches a piece of music in preparation for a performance. Choice C is incorrect because the text doesn’t discuss kinds of music beyond stating that Argerich is a classical pianist, and it doesn’t mention Argerich actually encountering any music for the first time; it indicates only that she approaches a piece of music she is going to perform as if she has never played it before. Choice D is incorrect because the text doesn’t mention music that Argerich is actually performing for the first time, only that Argerich approaches the pieces she performs as if they are new each time; further, the text doesn’t characterize this approach as unique, or something only Argerich does.